{"id":17257,"date":"2021-09-19T16:40:03","date_gmt":"2021-09-19T12:40:03","guid":{"rendered":"http:\/\/bigdata-ir.com\/?p=224"},"modified":"2021-09-22T10:37:44","modified_gmt":"2021-09-22T07:07:44","slug":"%d9%85%d8%af%d9%84-%d8%af%d8%a7%d8%af%d9%87-%d8%a7%db%8c-%d8%b3%d8%aa%d9%88%d9%86-%da%af%d8%b1%d8%a7-%d9%88-%d8%aa%d8%b9%d8%b1%db%8c%d9%81-%d8%b4%d9%90%d9%85%d8%a7%db%8c-%d9%85%d8%a8%d8%aa%d9%86%db%8c","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/%d9%85%d8%af%d9%84-%d8%af%d8%a7%d8%af%d9%87-%d8%a7%db%8c-%d8%b3%d8%aa%d9%88%d9%86-%da%af%d8%b1%d8%a7-%d9%88-%d8%aa%d8%b9%d8%b1%db%8c%d9%81-%d8%b4%d9%90%d9%85%d8%a7%db%8c-%d9%85%d8%a8%d8%aa%d9%86%db%8c\/","title":{"rendered":"\u0645\u062f\u0644 \u062f\u0627\u062f\u0647 \u0627\u06cc \u0633\u062a\u0648\u0646 \u06af\u0631\u0627 \u0648 \u062a\u0639\u0631\u06cc\u0641 \u0634\u0650\u0645\u0627\u06cc \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0633\u062a\u0648\u0646 \u062f\u0631 casandra"},"content":{"rendered":"<p>\u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0633\u062a\u0648\u0646 \u06af\u0631\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0628\u0627\u0644\u0642\u0648\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0627\u0646\u0628\u0627\u0631 \u062f\u0627\u062f\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u0648\u0646\u062f \u06a9\u0647 \u0642\u0627\u062f\u0631 \u0627\u0633\u062a \u0628\u0647 \u0637\u0648\u0631 \u0637\u0628\u06cc\u0639\u06cc \u067e\u0631\u0633 \u0648 \u062c\u0648\u0647\u0627\u06cc OLAP \u0631\u0627 \u0627\u062f\u0627\u0631\u0647 \u06a9\u0646\u062f. \u0627\u06cc\u0646 \u0631\u0648\u0634 \u062f\u0631 \u0633\u0627\u0644 2012 \u062f\u0631 \u0645\u0637\u0627\u0644\u0639\u0627\u062a \u0645\u062e\u062a\u0644\u0641 \u0627\u0631\u0627\u0626\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a \u0648 \u0627\u06a9\u0646\u0648\u0646 \u0645\u062d\u0628\u0648\u0628\u06cc\u062a \u0632\u06cc\u0627\u062f\u06cc \u067e\u06cc\u062f\u0627 \u06a9\u0631\u062f\u0647 \u0627\u0633\u062a. \u062a\u0627 \u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0645\u0646\u062c\u0631 \u0628\u0647 \u0638\u0647\u0648\u0631 \u0627\u0646\u0628\u0627\u0631\u0647\u0627\u06cc \u062f\u0627\u062f\u0647 \u0627\u0628\u0631\u06cc \u0633\u062a\u0648\u0646 \u0645\u062d\u0648\u0631 \u0634\u062f.<\/p>\n<p>Cassandra \u0627\u0632 \u062f\u0633\u062a\u0647 \u067e\u0627\u064a\u06af\u0627\u0647 \u062f\u0627\u062f\u0647\u0627\u064a \u0633\u062a\u0648\u0646 \u06af\u0631\u0627 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627 \u06a9\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0647 \u062c\u0627\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u0628\u0647 \u0635\u0648\u0631\u062a \u0633\u0637\u0631 \u0628\u0647 \u0633\u0637\u0631 \u0645\u0634\u0627\u0647\u062f\u0647 \u06a9\u0646\u0646\u062f\u060c \u0628\u0647 \u0635\u0648\u0631\u062a \u0633\u062a\u0648\u0646 \u0628\u0647 \u0633\u062a\u0648\u0646 \u0645\u0634\u0627\u0647\u062f\u0647 \u0648 \u0630\u062e\u06cc\u0631\u0647 \u0633\u0627\u0632\u06cc \u0645\u06cc\u06a9\u0646\u0646\u062f\u060c \u0645\u0646\u0627\u0633\u0628 \u0628\u0631\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f \u067e\u0631\u062f\u0627\u0632\u0634 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0628\u0632\u0631\u06af \u0648 BigData \u0647\u0633\u062a\u0646\u062f.<\/p>\n<div id=\"toc_container\" class=\"toc_wrap_right toc_light_blue have_bullets\">\n<p class=\"toc_title\">\u0639\u0646\u0627\u0648\u064a\u0646 \u0645\u0637\u0627\u0644\u0628: &#8216;<\/p>\n<\/div>\n<h3><span id=\"i\"><b>\u062f\u06cc\u062f\u06af\u0627\u0647 \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0633\u062a\u0648\u0646 \u062f\u0631 \u0628\u0631\u0627\u0628\u0631 \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0631\u062f\u06cc\u0641<\/b><\/span><\/h3>\n<p>\u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0631\u0627\u0628\u0637\u0647 \u0627\u06cc \u0645\u0627\u0646\u0646\u062f Sql Server \u0628\u0647 \u0635\u0648\u0631\u062a \u067e\u06cc\u0634 \u0641\u0631\u0636 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u0633\u0637\u0631 (Row) \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc \u06a9\u0631\u062f\u0646\u062f. \u0627\u0645\u0627 \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0633\u062a\u0648\u0646\u060c \u062f\u0627\u062f\u0647 \u0647\u0627 \u0633\u062a\u0648\u0646\u06cc \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc \u06af\u0631\u062f\u0646\u062f. \u0633\u062a\u0648\u0646 \u0647\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u0645\u0646\u062a\u0637\u0642\u06cc \u062f\u0631 \u062e\u0627\u0646\u0648\u0627\u062f\u0647 \u0627\u06cc \u0627\u0632 \u0633\u062a\u0648\u0646 \u0647\u0627 (Columns Family) \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc \u0634\u0648\u0646\u062f. \u062f\u0631 \u0645\u0642\u0627\u06cc\u0633\u0647 \u0628\u0627 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0631\u0627\u0628\u0637\u0647 \u0627\u06cc\u060c \u0627\u06cc\u0646 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0628\u0631\u0627\u06cc \u062a\u062c\u0645\u06cc\u0639 \u0648 \u062c\u0633\u062a\u062c\u0648 \u062f\u0631 \u06cc\u06a9 \u0633\u062a\u0648\u0646 \u062e\u0627\u0635\u060c \u0633\u0631\u0639\u062a \u0628\u0647 \u0645\u0631\u0627\u062a\u0628 \u0628\u0627\u0644\u0627\u062a\u0631\u06cc \u062f\u0627\u0631\u0646\u062f.<\/p>\n<p>\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u062f\u0631 \u06cc\u06a9 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0631\u0627\u0628\u0637\u0647 \u0627\u06cc \u0645\u06cc\u062e\u0648\u0627\u0647\u06cc\u062f \u0627\u0632 \u062c\u0645\u0639 \u0634\u0627\u0631\u0698 \u06f1\u06f0\u0645\u06cc\u0644\u06cc\u0648\u0646 \u06a9\u0627\u0631\u0628\u0631 \u0631\u0627 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f. \u0628\u0631\u0627\u06cc \u0647\u0631 \u06a9\u0627\u0631\u0628\u0631\u060c \u0633\u062a\u0648\u0646 \u0634\u0627\u0631\u0698 \u062f\u0631 \u0645\u06a9\u0627\u0646 \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641\u06cc \u0627\u0632 \u062d\u0627\u0641\u0638\u0647 \u0630\u062e\u06cc\u0631\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a \u0648 \u0627\u06cc\u0646 \u0645\u06a9\u0627\u0646 \u0647\u0627\u060c \u067e\u0634\u062a \u0633\u0631 \u0647\u0645 \u0646\u06cc\u0633\u062a\u0646\u062f. \u0648\u0644\u06cc \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0633\u062a\u0648\u0646\u060c \u062a\u0645\u0627\u0645 \u0627\u06cc\u0646 \u0633\u062a\u0648\u0646 \u0647\u0627 \u067e\u0634\u062a \u0633\u0631\u0647 \u0647\u0645 \u062f\u0631 \u062d\u0627\u0641\u0638\u0647 \u0630\u062e\u06cc\u0631\u0647 \u0634\u062f\u0647 \u0648 \u0633\u0631\u0639\u062a \u062f\u0633\u062a\u0631\u0633\u06cc \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u0633\u062a\u0648\u0646\u06cc \u0628\u06cc\u0634\u062a\u0631 \u0645\u06cc \u06a9\u0646\u0646\u062f.<\/p>\n<p>\u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0628\u0631\u0627\u06cc \u06a9\u0627\u0631 \u0628\u0627 \u0645\u0647 \u062f\u0627\u062f\u0647 (Big Data) \u0637\u0631\u0627\u062d\u06cc \u0634\u062f\u0647 \u0627\u0646\u062f \u062c\u0632 \u0627\u06cc\u0646 \u062f\u0633\u062a\u0647 \u0627\u0632 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0647\u0633\u062a\u0646\u062f. \u0628\u0631\u0627\u06cc \u0645\u062b\u0627\u0644 Big Table \u0627\u0632 \u0634\u0631\u06a9\u062a \u06af\u0648\u06af\u0644 \u0648 \u06cc\u0627 HBase \u0648 \u0647\u0645\u0686\u0646\u06cc\u0646 Cassandra \u0627\u0632 \u062c\u0645\u0644\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0633\u062a\u0648\u0646 \u0647\u0633\u062a\u0646\u062f.<\/p>\n<figure id=\"attachment_15579\" class=\"wp-caption aligncenter\" aria-describedby=\"caption-attachment-15579\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-15579 \" src=\"https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c.jpg\" sizes=\"auto, (max-width: 681px) 100vw, 681px\" srcset=\"https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c.jpg 535w, https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c-4.jpg 300w, https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c-5.jpg 110w\" alt=\"\u062f\u06cc\u062f\u06af\u0627\u0647 \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0633\u062a\u0648\u0646 \u062f\u0631 \u0628\u0631\u0627\u0628\u0631 \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0631\u062f\u06cc\u0641\" width=\"681\" height=\"457\" title=\"\"><figcaption id=\"caption-attachment-15579\" class=\"wp-caption-text\">\u062f\u06cc\u062f\u06af\u0627\u0647 \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0633\u062a\u0648\u0646 \u062f\u0631 \u0628\u0631\u0627\u0628\u0631 \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0631\u062f\u06cc\u0641<\/figcaption><\/figure>\n<h3><span id=\"i-2\"><b>\u0645\u062f\u0644 \u0645\u0641\u0647\u0648\u0645\u06cc \u0630\u062e\u06cc\u0631\u0647 \u062f\u0631 \u062d\u0627\u0641\u0638\u0647 \u06cc\u0627\u00a0 \u062f\u06cc\u0633\u06a9<\/b><\/span><\/h3>\n<p>\u062f\u0631 \u0645\u0642\u0627\u06cc\u0633\u0647 \u0628\u06cc\u0646 \u0633\u0627\u0645\u0627\u0646\u0647\u200c\u0647\u0627 \u0631\u062f\u06cc\u0641\u200c\u06af\u0631\u0627 \u0648 \u0633\u062a\u0648\u0646\u200c\u06af\u0631\u0627 \u0645\u0648\u0636\u0648\u0639 \u0627\u0635\u0644\u06cc \u062f\u0633\u062a\u0631\u0633\u06cc \u0645\u0624\u062b\u0631 \u0628\u0647 \u062f\u06cc\u0633\u06a9 \u0633\u062e\u062a \u0627\u0633\u062a. \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u06cc\u06a9 \u0645\u06af\u0627\u0628\u0627\u06cc\u062a \u0627\u0631 \u062f\u0627\u062f\u0647\u200c\u0627\u06cc \u067e\u0634\u062a\u200c\u0633\u0631 \u0647\u0645 \u0645\u0627\u0646\u0646\u062f \u062f\u0633\u062a\u0631\u0633\u06cc \u0627\u0632 \u0646\u0648\u0639 \u062a\u0635\u0627\u062f\u0641\u06cc \u0627\u0633\u062a \u0648 \u06cc\u06a9 \u0632\u0645\u0627\u0646 \u0628\u0647 \u0637\u0648\u0644 \u0645\u06cc\u200c\u0627\u0646\u062c\u0627\u0645\u062f. \u0627\u0645\u0627 \u0627\u0632 \u0622\u0646\u062c\u0627 \u06a9\u0647 \u0637\u0628\u0642 \u0642\u0627\u0646\u0648\u0646 \u0645\u0648\u0631\u060c \u0632\u0645\u0627\u0646 \u062c\u0633\u062a\u062c\u0648 \u0647\u0645\u06cc\u0634\u0647 \u06a9\u0646\u062f\u062a\u0631 \u0627\u0632 \u0633\u0631\u0639\u062a \u0627\u0641\u0632\u0627\u06cc\u0634 \u062a\u0648\u0627\u0646 \u067e\u0631\u062f\u0627\u0632\u0646\u062f\u06c0 \u0645\u0631\u06a9\u0632\u06cc \u0627\u0633\u062a\u060c \u062a\u0648\u062c\u0647 \u0628\u0647 \u0647\u0627\u0631\u062f \u062f\u06cc\u0633\u06a9 \u0628\u0631\u0627\u06cc \u0627\u0641\u0632\u0627\u06cc\u0634 \u0633\u0631\u0639\u062a \u062c\u0644\u0628 \u0634\u062f\u0647\u200c\u0627\u0633\u062a. \u062f\u0631 \u0627\u062f\u0627\u0645\u0647 \u062a\u0635\u0648\u06cc\u0631\u06cc \u0627\u0632 \u062a\u0641\u0627\u0648\u062a\u200c\u0647\u0627 \u0627\u06cc\u0646 \u062f\u0648 \u0633\u0627\u062e\u062a\u0627\u0631 \u0627\u0631\u0627\u0626\u0647 \u062f\u0627\u062f\u0647 \u062e\u0648\u0627\u0647\u062f \u0634\u062f.<\/p>\n<p>\u062f\u0631 \u0639\u0645\u0644\u060c \u0645\u0639\u0645\u0627\u0631\u06cc \u0633\u0637\u0631\u06af\u0631\u0627 \u0628\u0631\u0627\u06cc \u0633\u0627\u0645\u0627\u0646\u0647\u200c\u0647\u0627\u06cc OLTP (\u0645\u062b\u0644 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0631\u0627\u0628\u0637\u0647 \u0627\u06cc) \u0628\u0633\u06cc\u0627\u0631 \u0645\u0641\u06cc\u062f\u062a\u0631 \u0627\u0633\u062a \u0686\u0631\u0627\u06a9\u0647 \u0628\u0627\u0632 \u0639\u0638\u06cc\u0645\u06cc \u06a9\u0627\u0631\u06cc\u200c \u0631\u0627 \u0628\u0631\u0627\u06cc \u062a\u0631\u0627\u06a9\u0646\u0634\u200c\u0647\u0627\u06cc \u0641\u0639\u0644 \u0648 \u0627\u0646\u0641\u0639\u0627\u0644\u06cc \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc\u200c\u0646\u0645\u0627\u06cc\u062f. \u0645\u0639\u0645\u0627\u0631\u06cc \u0633\u062a\u0648\u0646\u200c\u06af\u0631\u0627 \u0628\u0631\u0627\u06cc \u0633\u0627\u0645\u0627\u0646\u0647\u200c\u0647\u0627\u06cc OLAP \u06cc\u0627 \u0645\u06a9\u0639\u0628 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0645\u0646\u0627\u0633\u0628 \u0627\u0633\u062a \u06a9\u0647 \u062f\u0627\u0631\u0627\u06cc \u062a\u0639\u062f\u0627\u062f \u06a9\u0645\u062a\u0631\u06cc \u067e\u0631\u0633\u0634\u200c\u0647\u0627\u06cc \u0628\u0633\u06cc\u0627\u0631 \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0628\u0631 \u0631\u0648\u06cc \u062a\u0645\u0627\u0645 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u0633\u062a \u06a9\u0647 \u06af\u0627\u0647 \u062d\u062c\u0645 \u0627\u06cc\u0646 \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u062a\u0627 \u0686\u0646\u062f\u06cc\u0646 \u062a\u0631\u0627\u0628\u0627\u06cc\u062a \u062f\u0627\u062f\u0647 \u0647\u0645 \u0645\u06cc\u200c\u0631\u0633\u062f. \u0645\u0627\u0646\u0646\u062f \u062a\u0631\u0627\u062f\u06cc\u062a\u0627<\/p>\n<figure id=\"attachment_15581\" class=\"wp-caption aligncenter\" aria-describedby=\"caption-attachment-15581\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-15581 \" src=\"https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c.png\" sizes=\"auto, (max-width: 630px) 100vw, 630px\" srcset=\"https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c.png 888w, https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c-6.png 300w, https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c-7.png 768w, https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c-8.png 800w\" alt=\"\u0645\u062f\u0644 \u0645\u0641\u0647\u0648\u0645\u06cc \u0630\u062e\u06cc\u0631\u0647 \u062f\u0631 \u062d\u0627\u0641\u0638\u0647 \u06cc\u0627\u00a0 \u062f\u06cc\u0633\u06a9\" width=\"630\" height=\"620\" title=\"\"><figcaption id=\"caption-attachment-15581\" class=\"wp-caption-text\">\u0645\u062f\u0644 \u0645\u0641\u0647\u0648\u0645\u06cc \u0630\u062e\u06cc\u0631\u0647 \u062f\u0631 \u062d\u0627\u0641\u0638\u0647 \u06cc\u0627\u00a0 \u062f\u06cc\u0633\u06a9<\/figcaption><\/figure>\n<p>\u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0633\u062a\u0648\u0646\u060c \u062f\u0627\u062f\u0647 \u0647\u0627 \u0631\u0627 \u0628\u062c\u0627\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u062f\u0631 \u0631\u062f\u06cc\u0641 \u0630\u062e\u06cc\u0631\u0647 \u06a9\u0646\u062f\u060c \u062f\u0631 \u0633\u062a\u0648\u0646 \u0647\u0627\u06cc \u06af\u0631\u0648\u0647 \u0628\u0646\u062f\u06cc \u0634\u062f\u0647 \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u0627\u0632 \u0645\u0641\u0647\u0648\u0645\u06cc \u0628\u0647 \u0646\u0627\u0645 <span dir=\"LTR\">keyspace<\/span>\u00a0\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0645\u0627\u0646\u0646\u062f\u00a0<span dir=\"LTR\">schema<\/span>\u00a0\u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0631\u0627\u0628\u0637\u0647 \u0627\u06cc \u0645\u06cc \u0628\u0627\u0634\u062f.\u00a0<span dir=\"LTR\">Keyspace<\/span>\u00a0\u0634\u0627\u0645\u0644 \u0686\u0646\u062f\u06cc\u0646 \u06af\u0631\u0648\u0647 \u0627\u0632 \u0633\u062a\u0648\u0646 \u0647\u0627 \u0645\u06cc \u0628\u0627\u0634\u062f. \u06af\u0631\u0648\u0647 \u0633\u062a\u0648\u0646 \u0647\u0627 \u0645\u0634\u0627\u0628\u0647 \u062c\u062f\u0627\u0648\u0644 \u062f\u0631 \u06cc\u06a9 \u0645\u062f\u0644 \u0631\u0627\u0628\u0637\u0647 \u0627\u06cc \u0645\u06cc \u0628\u0627\u0634\u062f. \u0627\u0645\u0627 \u0628\u0647 \u062c\u0627\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u0641\u0642\u0637 \u0634\u0627\u0645\u0644 \u0631\u062f\u06cc\u0641 \u0647\u0627 \u0628\u0627\u0634\u062f \u06cc\u06a9 \u06af\u0631\u0648\u0647 \u0627\u0632 \u0633\u062a\u0648\u0646 \u0634\u0627\u0645\u0644 \u0631\u062f\u06cc\u0641 \u0647\u0627\u06cc\u06cc \u0627\u0632 \u0633\u062a\u0648\u0646 \u0647\u0627 \u0645\u06cc \u0628\u0627\u0634\u062f. \u0647\u0631 \u0631\u062f\u06cc\u0641 \u062f\u0631 \u06cc\u06a9 \u06af\u0631\u0648\u0647 \u0633\u062a\u0648\u0646 \u06cc\u06a9 \u06a9\u0644\u06cc\u062f \u0645\u0646\u062d\u0635\u0631 \u0628\u0647 \u0641\u0631\u062f \u062f\u0627\u0631\u062f \u0648 \u0647\u0631 \u0633\u062a\u0648\u0646 \u062f\u0631 \u06cc\u06a9 \u0631\u062f\u06cc\u0641 \u0634\u0627\u0645\u0644 \u06cc\u06a9 \u0646\u0627\u0645\u060c \u0645\u0642\u062f\u0627\u0631 \u0648\u00a0<span dir=\"LTR\">time stamp<\/span>\u00a0\u0627\u0633\u062a.<\/p>\n<figure id=\"attachment_15583\" class=\"wp-caption aligncenter\" aria-describedby=\"caption-attachment-15583\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-15583\" src=\"https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c-1.png\" sizes=\"auto, (max-width: 698px) 100vw, 698px\" srcset=\"https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c-1.png 698w, https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c-9.png 300w\" alt=\"\u0646\u06af\u0627\u0634\u062a \u0648 \u0645\u0642\u0627\u06cc\u0633\u0647 \u0628\u0627 \u0645\u062f\u0644 \u0647\u0627\u06cc \u0631\u0627\u0628\u0637\u0647 \u0627\u06cc\" width=\"698\" height=\"244\" title=\"\"><figcaption id=\"caption-attachment-15583\" class=\"wp-caption-text\">\u0646\u06af\u0627\u0634\u062a \u0648 \u0645\u0642\u0627\u06cc\u0633\u0647 \u0628\u0627 \u0645\u062f\u0644 \u0647\u0627\u06cc \u0631\u0627\u0628\u0637\u0647 \u0627\u06cc<\/figcaption><\/figure>\n<p><b>\u0645\u0642\u0627\u062f\u06cc\u0631 \u0646\u0627\u0644 \u0648 \u0641\u0631\u0645 \u0646\u0631\u0645\u0627\u0644 \u0633\u0627\u0632\u06cc 4 \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0633\u062a\u0648\u0646 \u06af\u0631\u0627<\/b><\/p>\n<p>\u0627\u0632 \u0645\u0632\u0627\u06cc\u0627\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0633\u062a\u0648\u0646 \u0645\u0642\u0627\u06cc\u0633\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u060c \u0639\u0645\u0644\u06a9\u0631\u062f \u0628\u0627\u0644\u0627 \u0628\u0627 \u062a\u0648\u0627\u0628\u0639 \u062a\u062c\u0645\u0639\u06cc (<span dir=\"LTR\">SUM<\/span>\u060c\u00a0<span dir=\"LTR\">COUNT<\/span>\u00a0\u0648 \u063a\u06cc\u0631\u0647) \u0648 \u0645\u0642\u06cc\u0627\u0633 \u067e\u0630\u06cc\u0631\u06cc \u0645\u06cc \u0628\u0627\u0634\u062f. \u0627\u0645\u0627 \u0646\u0648\u0634\u062a\u0646 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u062c\u062f\u06cc\u062f \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0633\u062a\u0648\u0646 \u0632\u0645\u0627\u0646 \u0628\u06cc\u0634\u062a\u0631\u06cc \u0645\u06cc \u06af\u06cc\u0631\u062f. \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0631\u062f\u06cc\u0641 \u0634\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u062f\u0627\u062f\u0647 \u0631\u0627 \u062a\u0646\u0647\u0627 \u0628\u0627 \u06cc\u06a9 \u0639\u0645\u0644\u06cc\u0627\u062a \u0628\u0646\u0648\u06cc\u0633\u06cc\u062f \u0627\u0645\u0627 \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0633\u062a\u0648\u0646 \u0628\u0627\u06cc\u062f \u062f\u0631 \u0633\u062a\u0648\u0646 \u0647\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u06cc\u06a9 \u0628\u0647 \u06cc\u06a9 \u0628\u0646\u0648\u06cc\u0633\u06cc\u062f. \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0633\u062a\u0648\u0646 \u0628\u0631\u0627\u06cc \u067e\u0631\u062f\u0627\u0632\u0634 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0628\u0627 \u062a\u0639\u062f\u0627\u062f \u0633\u062a\u0648\u0646 \u0647\u0627\u06cc \u06a9\u0645 \u0648 \u062a\u0639\u062f\u0627\u062f \u0631\u062f\u06cc\u0641 \u0647\u0627\u06cc \u0632\u06cc\u0627\u062f \u0645\u0646\u0627\u0633\u0628 \u0627\u0633\u062a.<\/p>\n<figure id=\"attachment_15582\" class=\"wp-caption aligncenter\" aria-describedby=\"caption-attachment-15582\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-15582\" src=\"https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c-2.png\" sizes=\"auto, (max-width: 665px) 100vw, 665px\" srcset=\"https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c-2.png 1200w, https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c-10.png 300w, https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c-11.png 1024w, https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c-12.png 768w, https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c-13.png 800w\" alt=\"\u0645\u0642\u0627\u062f\u06cc\u0631 \u0646\u0627\u0644 \u0648 \u0641\u0631\u0645 \u0646\u0631\u0645\u0627\u0644 \u0633\u0627\u0632\u06cc 4 \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0633\u062a\u0648\u0646 \u06af\u0631\u0627\" width=\"665\" height=\"397\" title=\"\"><figcaption id=\"caption-attachment-15582\" class=\"wp-caption-text\">\u0645\u0642\u0627\u062f\u06cc\u0631 \u0646\u0627\u0644 \u0648 \u0641\u0631\u0645 \u0646\u0631\u0645\u0627\u0644 \u0633\u0627\u0632\u06cc 4 \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0633\u062a\u0648\u0646 \u06af\u0631\u0627<\/figcaption><\/figure>\n<p>\u0628\u0631\u0627\u06cc \u0622\u0634\u0646\u0627\u06cc\u06cc \u0628\u0627 \u0645\u062f\u0644 \u062f\u0627\u062f\u0647\u200c\u0627\u06cc \u0633\u062a\u0648\u0646 \u06af\u0631\u0627 \u062f\u0631 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627\u060c \u0628\u0647\u062a\u0631 \u0627\u0633\u062a \u0627\u0632 \u062f\u0631\u06a9 \u0645\u0641\u0627\u0647\u06cc\u0645 \u0633\u0627\u062f\u0647 \u0648 \u0627\u0628\u062a\u062f\u0627\u06cc\u06cc \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647\u200c\u0633\u0627\u0632\u06cc \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0634\u0631\u0648\u0639 \u06a9\u0646\u06cc\u0645. \u062f\u0631 \u0627\u062f\u0627\u0645\u0647 \u0628\u0627 \u0627\u06cc\u0646 \u0645\u0641\u0627\u0647\u06cc\u0645 \u0622\u0634\u0646\u0627 \u0645\u06cc \u0634\u0648\u06cc\u062f.<\/p>\n<h2><span id=\"i-3\">\u0622\u0634\u0646\u0627\u06cc\u06cc \u0628\u0627 \u0645\u062f\u0644 \u062f\u0627\u062f\u0647 \u0633\u062a\u0648\u0646 \u06af\u0631\u0627 \u062f\u0631 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627<\/span><\/h2>\n<p>Cassandra \u06cc\u06a9 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u062a\u0648\u0632\u06cc\u0639 \u0634\u062f\u0647 \u0627\u0633\u062a. \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u0628\u062f\u0627\u0646\u06cc\u062f \u062a\u0648\u0632\u06cc\u0639 \u0634\u062f\u06af\u06cc \u0686\u06cc\u0633\u062a\u060c \u0628\u0647\u062a\u0631 \u0627\u0633\u062a \u062f\u0631\u0633\u00a0<strong>\u0633\u06cc\u0633\u062a\u0645 \u062a\u0648\u0632\u06cc\u0639 \u0634\u062f\u0647 \u0686\u06cc\u0633\u062a<\/strong>\u00a0\u0631\u0627 \u0645\u0637\u0627\u0644\u0639\u0647 \u0627\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f. \u0627\u06cc\u0646 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0628\u0632\u0631\u06af \u0648 \u0645\u0647 \u062f\u0627\u062f\u0647 (Big Data) \u06a9\u0627\u0631\u0628\u0631\u062f \u0641\u0631\u0627\u0648\u0627\u0646\u06cc \u062f\u0627\u0631\u062f. Cassandra \u0647\u06cc\u0686 \u0646\u0642\u0637\u0647 \u062e\u0627\u0635 \u062e\u0631\u0627\u0628\u06cc (Single Point Of Failure) \u0646\u062f\u0627\u0631\u062f \u0648 \u0628\u0647 \u0631\u0627\u062d\u062a\u06cc \u0645\u06cc\u062a\u0648\u0627\u0646\u062f \u0628\u0631 \u0631\u0648\u06cc \u0686\u0646\u062f\u06cc\u0646 \u06a9\u0627\u0645\u067e\u06cc\u0648\u062a\u0631 \u062a\u0648\u0632\u06cc\u0639 \u0634\u0648\u062f.<\/p>\n<p>\u0627\u06cc\u0646 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u062a\u0648\u0633\u0639\u0647 \u067e\u0630\u06cc\u0631 \u062e\u0637\u06cc (Linear Scalable) \u0627\u0633\u062a \u0648 \u062f\u0633\u062a\u0631\u0633 \u067e\u0630\u06cc\u0631\u06cc \u0628\u0627\u0644\u0627\u06cc\u06cc (High Availability) \u062f\u0627\u0631\u062f. \u0628\u0631\u0627\u06cc \u062f\u0631\u06a9 \u0645\u0641\u0647\u0648\u0645 \u062a\u0648\u0633\u0639\u0647 \u067e\u0630\u06cc\u0631 \u062e\u0637\u06cc \u0645\u06cc\u062a\u0648\u0627\u0646\u06cc\u062f\u00a0\u0627\u06cc\u0646 \u062f\u0631\u0633\u00a0\u0631\u0627 \u0645\u0637\u0627\u0644\u0639\u0647 \u06a9\u0646\u06cc\u062f. Cassandra \u0628\u0631\u0627\u06cc \u06a9\u0627\u0631 \u0628\u0627 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0628\u0633\u06cc\u0627\u0631 \u0628\u0632\u0631\u06af \u0637\u0631\u0627\u062d\u06cc \u0634\u062f\u0647 \u0627\u0633\u062a \u062a\u0627 \u06a9\u0627\u0631\u0628\u0631\u0627\u0646 \u0628\u062a\u0648\u0627\u0646\u0646\u062f \u0627\u06cc\u0646 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0647 \u0631\u0627\u062d\u062a\u06cc \u0648 \u0628\u0627 \u0633\u0631\u0639\u062a \u0628\u0627\u0644\u0627 \u062f\u0631\u06cc\u0627\u0641\u062a \u06a9\u0646\u0646\u062f.<\/p>\n<p>\u062f\u0631 Cassandra \u0627\u0632 \u0645\u0639\u0645\u0627\u0631\u06cc Master\/Slave \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0646\u0634\u062f\u0647 \u0627\u0633\u062a. \u0632\u06cc\u0631\u0627 \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0639\u0645\u0627\u0631\u06cc \u0645\u0639\u0645\u0648\u0644\u0627 \u06af\u0631\u0647 Master (\u0633\u0631\u067e\u0631\u0633\u062a) \u0628\u0647 \u062f\u0644\u06cc\u0644 \u06a9\u0627\u0631\u06a9\u0631\u062f \u0632\u06cc\u0627\u062f \u0628\u0647 \u06af\u0644\u0648\u06af\u0627\u0647 \u0633\u06cc\u0633\u062a\u0645 (Bottleneck) \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc \u0634\u0648\u062f. \u06cc\u0639\u0646\u06cc \u062f\u0631 \u0635\u0648\u0631\u062a\u06cc \u06a9\u0647 master \u0627\u0632 \u06a9\u0627\u0631 \u0628\u06cc\u0641\u062a\u062f \u06cc\u0627 \u06a9\u0646\u062f \u0634\u0648\u062f\u060c \u06a9\u0644 \u0633\u06cc\u0633\u062a\u0645 \u0627\u0632 \u06a9\u0627\u0631 \u0645\u06cc \u0627\u0641\u062a\u062f \u06cc\u0627 \u06a9\u0646\u062f \u0645\u06cc \u0634\u0648\u062f. \u0628\u0631\u0627\u06cc \u0647\u0645\u06cc\u0646 \u062f\u0631 Cassandra \u0686\u06cc\u0632\u06cc \u0628\u0647 \u0646\u0627\u0645 Master \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0631\u062f \u0648 \u062a\u0645\u0627\u0645\u06cc \u06af\u0631\u0647 \u0647\u0627 (\u06a9\u0627\u0645\u067e\u06cc\u0648\u062a\u0631\u0647\u0627)\u06cc \u0645\u062a\u0635\u0644 \u0628\u0647 \u0647\u0645\u060c \u0645\u0627\u0646\u0646\u062f \u06cc\u06a9\u062f\u06cc\u06af\u0631 \u0631\u0641\u062a\u0627\u0631 \u0645\u06cc \u06a9\u0646\u0646\u062f. \u062f\u0627\u062f\u0647 \u0647\u0627 \u062f\u0631 \u06af\u0631\u0647 \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u062a\u06a9\u0631\u0627\u0631 (Replicate) \u0645\u06cc \u0634\u0648\u0646\u062f.<\/p>\n<p>Cassandra \u0627\u0632 \u0632\u0628\u0627\u0646 \u067e\u0631\u0633 \u0648 \u062c\u0648\u06cc\u06cc \u0628\u0647 \u0646\u0627\u0645 CQL \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u06a9\u0646\u062f \u06a9\u0647 \u0628\u0633\u06cc\u0627\u0631 \u0634\u0628\u06cc\u0647 SQL \u0627\u0633\u062a \u0648 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u0627\u0646\u06cc \u06a9\u0647 \u0645\u06cc\u062e\u0648\u0627\u0647\u0646\u062f \u0627\u0632 SQL \u0628\u0647 Cassandra \u0645\u0647\u0627\u062c\u0631\u062a \u06a9\u0646\u0646\u062f\u060c \u06a9\u0627\u0631 \u0632\u06cc\u0627\u062f \u0633\u062e\u062a\u06cc \u062f\u0631 \u067e\u06cc\u0634 \u0646\u062f\u0627\u0631\u0646\u062f.<\/p>\n<h3><span id=\"i-4\">\u0633\u0627\u062e\u062a\u0627\u0631 \u0630\u062e\u06cc\u0631\u0647 \u0633\u0627\u0632\u06cc \u0622\u0631\u0627\u06cc\u0647 \u0627\u06cc \u062a\u06a9 \u0628\u0639\u062f\u06cc<\/span><\/h3>\n<p>\u0633\u0627\u062f\u0647\u200c\u062a\u0631\u06cc\u0646 \u062d\u0627\u0644\u062a \u0630\u062e\u06cc\u0631\u0647\u200c\u0633\u0627\u0632\u06cc \u062f\u0627\u062f\u0647\u200c\u0627\u06cc \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u06cc\u0627 \u0644\u06cc\u0633\u062a \u0642\u0627\u0628\u0644 \u067e\u06cc\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u0627\u0633\u062a. \u062f\u0631 \u0627\u06cc\u0646 \u062d\u0627\u0644\u062a\u060c \u0628\u0631\u0627\u06cc \u0641\u0647\u0645\u06cc\u062f\u0646 \u0627\u06cc\u0646\u200c\u06a9\u0647 \u0647\u0631 \u0639\u0646\u0635\u0631 \u0630\u062e\u06cc\u0631\u0647 \u06a9\u0646\u0646\u062f\u0647 \u0686\u06cc\u0633\u062a\u060c \u0628\u0627\u06cc\u062f \u0627\u0633\u0646\u0627\u062f \u0648 \u062f\u0627\u0646\u0634\u06cc \u062f\u0631\u0628\u0627\u0631\u0647 \u0622\u0646 \u0628\u0647\u200c\u0635\u0648\u0631\u062a \u062e\u0627\u0631\u062c\u06cc \u0646\u06af\u0647\u200c\u062f\u0627\u0631\u06cc \u0634\u0648\u062f. \u0647\u0645\u0686\u0646\u06cc\u0646\u060c \u00a0\u0628\u0631\u0627\u06cc \u0627\u06cc\u0646\u200c\u06a9\u0647 \u0627\u0646\u062f\u0627\u0632\u0647\u00ad \u06cc\u06a9 \u0634\u06a9\u0644 \u06a9\u0644 \u0645\u062c\u0645\u0648\u0639\u0647 \u062f\u0627\u062f\u0647\u200c\u0627\u06cc \u062d\u0641\u0638 \u0634\u0648\u062f\u060c \u0628\u0627\u06cc\u062f \u0645\u0642\u0627\u062f\u06cc\u0631 \u062e\u0627\u0644\u06cc \u0631\u0627 \u0628\u0627 \u0645\u0642\u0627\u062f\u06cc\u0631\u06cc \u0645\u0634\u062e\u0635 \u0647\u0645\u0627\u0646\u0646\u062f(null) \u00a0\u067e\u0631 \u06a9\u0631\u062f. \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647\u060c \u0628\u0647\u200c\u0637\u0648\u0631 \u0633\u0627\u062f\u0647 \u0633\u0627\u062e\u062a\u0627\u0631 \u062f\u0627\u062f\u0647\u200c\u0627\u06cc \u0633\u0648\u062f\u0645\u0646\u062f\u06cc \u0627\u0633\u062a\u060c \u0627\u0645\u0627 \u0627\u0632 \u0644\u062d\u0627\u0638 \u0645\u0639\u0646\u0627\u06cc\u06cc\u060c \u0642\u0648\u06cc \u0646\u06cc\u0633\u062a .<\/p>\n<figure id=\"attachment_234\" class=\"wp-caption aligncenter\" aria-describedby=\"caption-attachment-234\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-234 size-full\" src=\"https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c-1.jpg\" alt=\"\u0622\u0631\u0627\u06cc\u0647\" width=\"300\" height=\"57\" title=\"\"><figcaption id=\"caption-attachment-234\" class=\"wp-caption-text\">array<\/figcaption><\/figure>\n<h3><span id=\"i-5\">\u0633\u0627\u062e\u062a\u0627\u0631 \u0630\u062e\u06cc\u0631\u0647 \u0633\u0627\u0632\u06cc \u0622\u0631\u0627\u06cc\u0647 \u0627\u06cc \u062f\u0648 \u0628\u0639\u062f\u06cc<\/span><\/h3>\n<p>\u0628\u0627 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0646 \u06cc\u06a9 \u0628\u0639\u062f \u0628\u0647 \u0633\u0627\u062e\u062a\u0627\u0631 \u062f\u0627\u062f\u0647\u200c\u0627\u06cc \u0642\u0628\u0644\u06cc\u060c \u0633\u0627\u062e\u062a\u0627\u0631\u06cc \u062c\u062f\u06cc\u062f \u0648 \u0628\u0627 \u0645\u0641\u0647\u0648\u0645\u200c\u062a\u0631\u060c \u0645\u0637\u0627\u0628\u0642 \u0622\u0646\u0686\u0647 \u062f\u0631 \u0634\u06a9\u0644 \u0632\u06cc\u0631 \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0647 \u0634\u062f\u0647\u060c \u0628\u0647 \u062f\u0633\u062a \u0645\u06cc\u200c\u0622\u06cc\u062f \u06a9\u0647 \u062d\u0644\u0627\u0644 \u0628\u0631\u062e\u06cc \u0645\u0634\u06a9\u0644\u0627\u062a \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u0645\u062f\u0644 \u0642\u0628\u0644\u06cc \u0627\u0633\u062a. \u0628\u0647\u200c\u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u0647\u0645 \u0627\u06a9\u0646\u0648\u0646 \u0645\u06cc\u200c\u062f\u0627\u0646\u06cc\u0645 \u06a9\u0647 \u06a9\u062f\u0627\u0645 \u0645\u0642\u062f\u0627\u0631\u060c \u0646\u0645\u0627\u06cc\u0627\u0646\u06af\u0631 \u0686\u06cc\u0633\u062a \u0648 \u0628\u0647 \u0686\u0647 \u0686\u06cc\u0632\u06cc \u0627\u0634\u0627\u0631\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n<p>\u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0628\u0627 \u0627\u06cc\u0646 \u0633\u0627\u062e\u062a\u0627\u0631 \u062a\u0646\u0647\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0628\u0647 \u06cc\u06a9 \u0645\u0641\u0647\u0648\u0645 (\u0645\u062b\u0644\u0627\u064b \u06cc\u06a9 \u0634\u062e\u0635) \u0627\u0634\u0627\u0631\u0647 \u0634\u0648\u062f \u0648 \u0631\u0627\u0647\u06cc \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647\u200c\u0633\u0627\u0632\u06cc \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u0686\u0646\u062f\u06af\u0627\u0646\u0647 (\u0645\u062b\u0644\u0627\u064b \u0627\u0634\u062e\u0627\u0635 \u0645\u062e\u062a\u0644\u0641) \u062f\u0631 \u06cc\u06a9 \u0633\u0627\u062e\u062a\u0627\u0631 \u0645\u0646\u0641\u0631\u062f \u0631\u0627 \u062f\u0631 \u0627\u062e\u062a\u06cc\u0627\u0631 \u0646\u062e\u0648\u0627\u0647\u06cc\u0645 \u062f\u0627\u0634\u062a. \u0628\u0647 \u0628\u06cc\u0627\u0646 \u062f\u06cc\u06af\u0631\u060c \u0645\u0627 \u0628\u0647 \u0633\u062a\u0648\u0646\u200c\u0647\u0627\u06cc\u06cc \u0627\u062d\u062a\u06cc\u0627\u062c \u062f\u0627\u0631\u06cc\u0645 \u06a9\u0647 \u062f\u0631 \u0622\u0646\u200c\u0647\u0627 \u0646\u06cc\u0627\u0632 \u0646\u0628\u0627\u0634\u062f \u062a\u0627 \u0646\u0627\u0645 \u0622\u0646\u200c\u0647\u0627 \u0647\u0645\u0648\u0627\u0631\u0647 \u062a\u06a9\u0631\u0627\u0631 \u0634\u0648\u062f \u0648 \u0647\u0645\u0686\u0646\u06cc\u0646\u060c \u0628\u0647 \u0645\u0641\u0647\u0648\u0645\u06cc \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u0645 \u062a\u0627 \u0628\u062a\u0648\u0627\u0646\u06cc\u0645 \u06af\u0631\u0648\u0647\u06cc \u0627\u0632 \u0633\u062a\u0648\u0646\u200c\u0647\u0627 \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u0642\u0627\u0644\u0628 \u0645\u0641\u0647\u0648\u0645\u06cc \u062f\u0633\u062a\u0647\u200c\u0628\u0646\u062f\u06cc \u06a9\u0646\u06cc\u0645.<\/p>\n<figure id=\"attachment_240\" class=\"wp-caption aligncenter\" aria-describedby=\"caption-attachment-240\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-240 size-full\" src=\"https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c-2.jpg\" alt=\"\u0622\u0631\u0627\u06cc\u0647 \u062f\u0648 \u0628\u0639\u062f\u06cc\" width=\"300\" height=\"132\" title=\"\"><figcaption id=\"caption-attachment-240\" class=\"wp-caption-text\">\u0622\u0631\u0627\u06cc\u0647 \u062f\u0648 \u0628\u0639\u062f\u06cc<\/figcaption><\/figure>\n<h3><span id=\"--Cassandra\"><strong>\u0633\u0627\u062e\u062a\u0627\u0631 \u0622\u0631\u0627\u064a\u0647 \u0627\u06cc \u0686\u0646\u062f \u0628\u0639\u062f\u06cc \u062f\u0631 Cassandra<\/strong><\/span><\/h3>\n<p>\u0631\u0627\u0647\u200c\u062d\u0644 \u0633\u0627\u062f\u0647 \u0628\u0631\u0627\u06cc \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0646 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0686\u0646\u062f\u06af\u0627\u0646\u0647 \u0628\u0647 \u0633\u062a\u0648\u0646\u200c\u0647\u0627\u060c \u0633\u0637\u0631\u0647\u0627 \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u06cc\u06a9 \u0634\u0646\u0627\u0633\u0647 \u0627\u0646\u062d\u0635\u0627\u0631\u06cc \u0628\u0647 \u0646\u0627\u0645 \u06a9\u0644\u06cc\u062f \u0633\u0637\u0631 \u06cc\u0627 Row Key \u0631\u0627 \u0646\u06cc\u0632 \u062f\u0631 \u0627\u062e\u062a\u06cc\u0627\u0631 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u0646\u062f. \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627\u060c \u0645\u0641\u0647\u0648\u0645\u06cc \u0633\u062a\u0648\u0646 \u06af\u0631\u0627 \u0628\u0647 \u200c\u0646\u0627\u0645 Column Family \u0631\u0627 \u0645\u0639\u0631\u0641\u06cc \u06a9\u0631\u062f\u0647 \u06a9\u0647 \u0628\u0631\u0627\u06cc \u062a\u0642\u0633\u06cc\u0645\u200c\u0628\u0646\u062f\u06cc \u06af\u0631\u0648\u0647\u06cc \u0627\u0632 \u0633\u062a\u0648\u0646\u200c\u0647\u0627\u06cc \u0645\u0631\u062a\u0628\u0637 \u0628\u0627 \u06cc\u06a9\u062f\u06cc\u06af\u0631 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647\u200c\u0634\u062f\u0647 \u0627\u0633\u062a \u0648 \u0645\u062b\u0627\u0644\u06cc \u0627\u0632 \u0622\u0646 \u06cc\u06a9 Column Family \u0628\u0631\u0627\u06cc \u0645\u0634\u062e\u0635\u0627\u062a \u0627\u0634\u062e\u0627\u0635 \u0627\u0633\u062a. \u062f\u0631 \u0627\u0635\u0644\u060c \u0645\u0641\u0647\u0648\u0645 Column Family \u062f\u0631 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u0628\u0647 \u0646\u0648\u0639\u06cc \u0634\u0628\u06cc\u0647 \u0628\u0647 \u0645\u0641\u0647\u0648\u0645 \u062c\u062f\u0648\u0644 \u062f\u0631 \u0645\u062f\u0644 \u0633\u0646\u062a\u06cc \u0631\u0627\u0628\u0637\u0647\u200c\u0627\u06cc \u0627\u0633\u062a. \u0628\u0627 \u06a9\u0646\u0627\u0631 \u0647\u0645 \u0642\u0631\u0627\u0631 \u062f\u0627\u062f\u0646 \u0645\u0628\u0627\u062d\u062b \u0628\u0627\u0644\u0627\u060c \u0633\u0627\u062e\u062a\u0627\u0631 \u062f\u0627\u062f\u0647\u200c\u0627\u06cc \u06a9\u0644\u06cc \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u0627\u0632\u0627\u06cc\u0646\u200c\u0642\u0631\u0627\u0631 \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f:<\/p>\n<figure id=\"attachment_236\" class=\"wp-caption aligncenter\" aria-describedby=\"caption-attachment-236\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-236 size-full\" src=\"https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c-3.jpg\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" srcset=\"https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c-3.jpg 400w, https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c-6.jpg 300w, https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c-7.jpg 310w\" alt=\"\u0645\u062f\u0644 \u062f\u0627\u062f\u0647 \u06a9\u0633\u0646\u062f\u0631\u0627\" width=\"400\" height=\"263\" title=\"\"><figcaption id=\"caption-attachment-236\" class=\"wp-caption-text\">\u0645\u062f\u0644 \u062f\u0627\u062f\u0647 \u0633\u062a\u0648\u0646 \u06af\u0631\u0627 \u062f\u0631 \u06a9\u0633\u0646\u062f\u0631\u0627<\/figcaption><\/figure>\n<p>\u0633\u062a\u0648\u0646\u200c\u0647\u0627 \u06a9\u0647 \u062c\u0641\u062a\u200c\u0647\u0627\u06cc Name\/Value \u0647\u0633\u062a\u0646\u062f \u0648 Column Family\u200c\u0647\u0627 \u06a9\u0647 \u062d\u0627\u0648\u06cc \u0633\u0637\u0631\u0647\u0627\u06cc\u06cc \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0645\u062c\u0645\u0648\u0639\u0647\u200c\u0647\u0627\u06cc \u0633\u062a\u0648\u0646\u06cc \u0645\u0634\u0627\u0628\u0647\u060c \u0627\u0645\u0627 \u0646\u0647 \u062f\u0642\u06cc\u0642\u0627\u064b \u06cc\u06a9\u0633\u0627\u0646 \u0628\u0627 \u062a\u0639\u062f\u0627\u062f \u0633\u062a\u0648\u0646\u200c\u0647\u0627\u06cc \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u0633\u06cc\u0633\u062a\u0645\u060c \u0647\u0633\u062a\u0646\u062f. \u0646\u06a9\u062a\u0647 \u0645\u0647\u0645 \u062f\u06cc\u06af\u0631\u06cc \u06a9\u0647 \u062f\u0631 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u0645\u0637\u0631\u062d \u0627\u0633\u062a \u0622\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u200c\u062e\u0644\u0627\u0641 \u067e\u0627\u06cc\u06af\u0627\u0647\u200c\u0647\u0627\u06cc \u062f\u0627\u062f\u0647\u200c \u0633\u0646\u062a\u06cc \u06a9\u0647 \u062f\u0631 \u0622\u0646\u200c\u0647\u0627 \u0646\u0627\u0645 \u0633\u062a\u0648\u0646\u200c\u0647\u0627 \u0628\u0627\u06cc\u062f \u062a\u0646\u0647\u0627 \u06cc\u06a9 \u0645\u062a\u063a\u06cc\u0631 \u0631\u0634\u062a\u0647\u200c\u0627\u06cc \u0628\u0627\u0634\u062f\u060c \u0646\u0627\u0645 \u0633\u062a\u0648\u0646\u200c\u0647\u0627 \u0648 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0630\u062e\u06cc\u0631\u0647\u200c\u0634\u062f\u0647 \u062f\u0631 \u0633\u0637\u0631\u0647\u0627\u06cc \u0645\u0631\u062a\u0628\u0637 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0639\u0644\u0627\u0648\u0647 \u0628\u0631 \u0646\u0648\u0639 \u0631\u0634\u062a\u0647\u200c\u0627\u06cc\u060c \u0645\u0642\u0627\u062f\u06cc\u0631 Integer\u060c UUID \u06cc\u0627 \u0647\u0631 \u0646\u0648\u0639 \u0622\u0631\u0627\u06cc\u0647 \u0628\u0627\u06cc\u062a\u06cc \u062f\u06cc\u06af\u0631\u06cc \u0646\u06cc\u0632 \u0628\u0627\u0634\u0646\u062f. \u0627\u06cc\u0646 \u0642\u0627\u0628\u0644\u06cc\u062a\u060c \u0627\u0645\u06a9\u0627\u0646 \u0630\u062e\u06cc\u0631\u0647\u200c\u0633\u0627\u0632\u06cc \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u0627\u0631\u0632\u0634\u0645\u0646\u062f \u062f\u0631 \u06a9\u0644\u06cc\u062f\u0647\u0627 (\u062e\u0648\u062f \u0633\u062a\u0648\u0646\u200c\u0647\u0627) \u0631\u0627 \u0639\u0644\u0627\u0648\u0647 \u0628\u0631 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0622\u0646\u200c\u0647\u0627 (\u0633\u0637\u0631\u0647\u0627) \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc\u200c\u0633\u0627\u0632\u062f \u06a9\u0647 \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc \u067e\u06cc\u0634\u0631\u0641\u062a\u0647\u200c\u0627\u06cc \u060c \u0628\u0647\u200c\u062e\u0635\u0648\u0635 \u062f\u0631 \u0632\u0645\u06cc\u0646\u0647 \u0627\u06cc\u0646\u062f\u06a9\u0633 \u06a9\u0631\u062f\u0646 \u062f\u0627\u0631\u062f.<\/p>\n<figure id=\"attachment_241\" class=\"wp-caption aligncenter\" aria-describedby=\"caption-attachment-241\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-241 \" src=\"https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c-3.png\" sizes=\"auto, (max-width: 703px) 100vw, 703px\" srcset=\"https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c-3.png 873w, https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c-14.png 800w, https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c-15.png 300w, https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c-16.png 768w\" alt=\"\u0645\u062f\u0644 \u062f\u0627\u062f\u0647 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627\" width=\"703\" height=\"199\" title=\"\"><figcaption id=\"caption-attachment-241\" class=\"wp-caption-text\">\u0645\u062f\u0644 \u062f\u0627\u062f\u0647 \u0633\u062a\u0648\u0646 \u06af\u0631\u0627 \u062f\u0631 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627<\/figcaption><\/figure>\n<h3><span id=\"Super-column\"><strong>Super column\u00a0<\/strong><\/span><\/h3>\n<p>(\u0627\u064a\u0646 \u0631\u0648\u0634 \u062f\u0631 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u0645\u0646\u0642\u0636\u064a \u0634\u062f\u0647 \u0627\u0633\u062a) \u0648\u0627\u062d\u062f\u0647\u0627\u06cc \u062f\u06cc\u06af\u0631\u06cc \u0646\u06cc\u0632 \u0628\u0631\u0627\u06cc \u06af\u0631\u0648\u0647\u200c\u0628\u0646\u062f\u06cc \u0633\u0627\u062e\u062a\u0627\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u0646\u062f \u06a9\u0647 \u0628\u0627 \u0646\u0627\u0645 Super Column \u0634\u0646\u0627\u062e\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. \u0627\u06cc\u0646 \u0627\u064e\u0628\u064e\u0631\u200c\u0633\u062a\u0648\u0646\u200c\u0647\u0627\u060c \u0645\u062c\u0645\u0648\u0639\u0647\u200c\u0627\u06cc \u0627\u0632 \u0633\u062a\u0648\u0646\u200c\u0647\u0627\u06cc \u0645\u0631\u062a\u0628\u0637 \u0631\u0627 \u062f\u0631 \u06cc\u06a9 Column Family \u0634\u0627\u0645\u0644 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0627\u0632 \u0622\u0646\u200c\u0647\u0627 \u0628\u0647 \u0646\u0642\u0634\u0647\u00ad \u0646\u0642\u0634\u0647\u200c\u0647\u0627 \u062a\u0639\u0628\u06cc\u0631 \u06a9\u0631\u062f. \u0634\u06a9\u0644 \u0632\u06cc\u0631\u06cc\u0646 \u0646\u0645\u0627\u06cc\u06cc \u0627\u0632 \u0645\u062f\u0644 \u062f\u0627\u062f\u0647\u200c\u0627\u06cc \u06a9\u0627\u0645\u0644 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u062f. \u0628\u0647 \u06cc\u0627\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u0633\u062a\u0648\u0646\u200c\u0647\u0627 \u062f\u0631 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u062f\u0631 \u0627\u0635\u0644 \u06cc\u06a9 \u0628\u0639\u062f \u062f\u06cc\u06af\u0631 \u0628\u0627 \u0646\u0627\u0645 timestamp \u0646\u06cc\u0632 \u062f\u0627\u0631\u0646\u062f \u06a9\u0647 \u0630\u062e\u06cc\u0631\u0647 \u06a9\u0646\u0646\u062f\u0647 \u0622\u062e\u0631\u06cc\u0646 \u0628\u0647\u200c\u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u062f\u0631\u0648\u0646 \u0633\u062a\u0648\u0646 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0628\u0631\u0686\u0633\u0628 \u0632\u0645\u0627\u0646\u06cc\u060c \u0645\u0642\u062f\u0627\u0631\u06cc \u062e\u0648\u062f\u06a9\u0627\u0631 \u0648 \u06cc\u06a9 \u0645\u062a\u0627\u062f\u06cc\u062a\u0627 \u0646\u06cc\u0633\u062a\u060c \u0628\u0644\u06a9\u0647 \u0645\u0642\u062f\u0627\u0631\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0627\u06cc\u062f \u062a\u0648\u0633\u0637 \u06a9\u0644\u0627\u06cc\u0646\u062a \u0641\u0631\u0627\u0647\u0645 \u0634\u0648\u062f \u0648 \u0642\u0627\u0628\u0644\u06cc\u062a \u067e\u0631\u0633\u200c\u0648\u062c\u0648 \u0646\u06cc\u0632 \u0646\u062f\u0627\u0631\u062f\u060c \u0628\u0644\u06a9\u0647 \u0628\u0631\u0627\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u0627\u062e\u062a\u0644\u0627\u0637 \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0642\u0631\u0627\u0631 \u200c\u0645\u06cc\u200c\u06af\u06cc\u0631\u062f. \u062a\u0648\u062c\u0647 \u06a9\u0646\u06cc\u062f\u060c \u0633\u0637\u0631\u0647\u0627 \u0628\u0631\u0686\u0633\u0628 \u0632\u0645\u0627\u0646\u06cc \u0646\u062f\u0627\u0631\u0646\u062f\u060c \u0628\u0644\u06a9\u0647 \u062a\u0646\u0647\u0627 \u0633\u062a\u0648\u0646\u200c\u0647\u0627\u06cc \u0645\u0646\u0641\u0631\u062f \u0628\u0631\u0686\u0633\u0628 \u0632\u0645\u0627\u0646\u06cc \u0631\u0627 \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.<\/p>\n<figure id=\"attachment_242\" class=\"wp-caption aligncenter\" aria-describedby=\"caption-attachment-242\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-242 size-full\" src=\"https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c-4.png\" sizes=\"auto, (max-width: 576px) 100vw, 576px\" srcset=\"https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c-4.png 576w, https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c-17.png 300w\" alt=\"super column family\" width=\"576\" height=\"266\" title=\"\"><figcaption id=\"caption-attachment-242\" class=\"wp-caption-text\">super column family<\/figcaption><\/figure>\n<p>\u0647\u0631 \u06a9\u0644\u0627\u0633\u062a\u0631\u060c \u0646\u06af\u0647\u200c\u062f\u0627\u0631\u0646\u062f\u0647\u200c (\u06cc\u06a9 \u06cc\u0627 \u0686\u0646\u062f) \u0645\u0641\u0647\u0648\u0645 \u06a9\u0644\u06cc \u0648 \u0627\u0646\u062a\u0632\u0627\u0639\u06cc \u0628\u0627 \u0646\u0627\u0645 Keyspace \u0627\u0633\u062a \u06a9\u0647 \u0628\u0632\u0631\u06af\u200c\u062a\u0631\u06cc\u0646 \u0645\u0641\u0647\u0648\u0645 \u062f\u0627\u062f\u0647\u200c\u0627\u06cc \u062f\u0631 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u0628\u0647 \u0634\u0645\u0627\u0631 \u0645\u06cc\u200c\u0622\u06cc\u062f \u0648 \u0645\u0639\u0627\u062f\u0644 \u0645\u0641\u0647\u0648\u0645 Database \u062f\u0631 \u0645\u062f\u0644 RDBMS \u0627\u0633\u062a. \u0647\u0631 \u0641\u0636\u0627\u06cc \u06a9\u0644\u06cc\u062f\u06cc \u062e\u0635\u0648\u0635\u06cc\u0627\u062a \u0645\u062e\u062a\u0644\u0641\u06cc (\u0645\u0627\u0646\u0646\u062f \u0641\u0627\u06a9\u062a\u0648\u0631 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc\u060c \u0631\u0627\u0647\u0628\u0631\u062f \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc\u060c Column Family\u200c\u0647\u0627 \u0648\u2026) \u062f\u0627\u0631\u062f \u06a9\u0647 \u0686\u06af\u0648\u0646\u06af\u06cc \u0631\u0641\u062a\u0627\u0631 \u0622\u0646 \u0631\u0627 \u062f\u0631 \u06a9\u0644 \u06a9\u0644\u0627\u0633\u062a\u0631 \u062a\u0639\u06cc\u06cc\u0646 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.<\/p>\n<p>\u0645\u0641\u0647\u0648\u0645 \u0628\u0639\u062f\u06cc\u060c Column Family\u200c\u0647\u0627 \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0646\u06af\u0647\u200c\u062f\u0627\u0631\u0646\u062f\u0647 \u0645\u062c\u0645\u0648\u0639\u0647 \u0645\u0631\u062a\u0628\u06cc \u0627\u0632 \u0633\u0637\u0631\u0647\u0627\u06cc \u062f\u0627\u062f\u0647\u200c\u0627\u06cc \u0627\u0633\u062a \u0648 \u0647\u0631 \u06a9\u062f\u0627\u0645 \u0627\u0632 \u0622\u0646\u200c\u0647\u0627\u060c \u062d\u0627\u0648\u06cc \u0645\u062c\u0645\u0648\u0639\u0647 \u0645\u0631\u062a\u0628\u06cc \u0627\u0632 \u0633\u062a\u0648\u0646\u200c\u0647\u0627\u06cc \u062f\u0627\u062f\u0647\u200c\u0627\u06cc \u0647\u0633\u062a\u0646\u062f. \u0645\u0641\u0647\u0648\u0645 Column Family \u0631\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0628\u0647 \u0646\u0648\u0639\u06cc \u0645\u0639\u0627\u062f\u0644 \u062c\u062f\u0648\u0644\u200c\u0647\u0627 \u062f\u0631 \u0645\u062f\u0644 \u0631\u0627\u0628\u0637\u0647\u200c\u0627\u06cc \u0628\u0647 \u0634\u0645\u0627\u0631 \u0622\u0648\u0631\u062f\u060c \u0627\u0645\u0627 \u062a\u0648\u062c\u0647 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0628\u0627 \u062c\u062f\u0648\u0644\u200c\u0647\u0627 \u0628\u0633\u06cc\u0627\u0631 \u0645\u062a\u0641\u0627\u0648\u062a \u0647\u0633\u062a\u0646\u062f. \u0628\u0627 \u062a\u0648\u062c\u0647 \u0628\u0647 \u0645\u0641\u0647\u0648\u0645 \u06a9\u0644\u06cc\u062f \u0633\u0637\u0631 \u0648 \u0645\u0641\u0647\u0648\u0645 \u0633\u062a\u0648\u0646 \u06a9\u0647 \u062f\u0631 \u0628\u062e\u0634 \u0642\u0628\u0644 \u0646\u06cc\u0632 \u0645\u0637\u0631\u062d \u0634\u062f\u0646\u062f\u060c \u0628\u0647 \u0633\u0627\u062e\u062a\u0627\u0631 \u06f4 \u0628\u0639\u062f\u06cc \u0645\u0639\u0645\u0648\u0644 \u062f\u0631 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u062e\u0648\u0627\u0647\u06cc\u0645 \u0631\u0633\u06cc\u062f \u06a9\u0647 \u0646\u0642\u0634\u06cc \u0627\u0633\u0627\u0633\u06cc \u0631\u0627 \u062f\u0631 \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0627\u06cc\u0641\u0627 \u0645\u06cc\u200c\u06a9\u0646\u062f:<\/p>\n<p dir=\"ltr\"><strong>[Keyspace][ColumnFamily][Key][Column]<\/strong><\/p>\n<figure id=\"attachment_243\" class=\"wp-caption aligncenter\" aria-describedby=\"caption-attachment-243\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-243 \" src=\"https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c-5.png\" sizes=\"auto, (max-width: 644px) 100vw, 644px\" srcset=\"https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c-5.png 540w, https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2021\/09\/d985d8afd984-d8afd8a7d8afd987-d8a7db8c-d8b3d8aad988d986-daafd8b1d8a7-d988-d8aad8b9d8b1db8cd981-d8b4d990d985d8a7db8c-d985d8a8d8aad986db8c-18.png 300w\" alt=\"Data Modeling Cassandra Architecture\" width=\"644\" height=\"315\" title=\"\"><figcaption id=\"caption-attachment-243\" class=\"wp-caption-text\">Data Modeling Cassandra Architecture<\/figcaption><\/figure>\n<p>\u0628\u0631\u0627\u06cc \u0631\u0648\u0634\u0646 \u0634\u062f\u0646 \u0645\u0637\u0644\u0628\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u062f\u0631 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u0645\u0637\u0631\u062d \u06a9\u0646\u06cc\u0645. \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u0645\u0646\u0638\u0648\u0631\u060c \u06cc\u06a9 Column Family \u0628\u0627 \u0646\u0627\u0645 Hotel \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647\u200c\u0633\u0627\u0632\u06cc \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u0686\u0646\u062f \u0647\u062a\u0644\u060c \u0645\u0637\u0627\u0628\u0642 \u0646\u0648\u0634\u062a\u0627\u0631 JSON \u0627\u0631\u0627\u0626\u0647 \u0634\u062f\u0647 \u062f\u0631 \u0632\u06cc\u0631 \u0631\u0627 \u062f\u0631 \u0646\u0638\u0631 \u0645\u06cc\u200c\u06af\u06cc\u0631\u06cc\u0645:<\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta --><\/p>\n<div id=\"crayon-61472fa16b524175332130\" class=\"crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover\">\n<p><textarea class=\"crayon-plain print-no\" readonly=\"readonly\" wrap=\"soft\" data-settings=\"dblclick\">&lt;br \/&gt;&lt;br \/&gt;<br \/>\nHotel { key: THE_043 { name: Espinas, phone: 021-66352565, address: Keshavarz Blvd., city: Tehran, state: Tehran} key: THC_011 { name: Evin, phone: 021-22668562, address: Chamran Highway, city: Tehran, state: Tehran} key: HRD_021 { name: Dariush, phone: 0764-4223659, address: Dariush Sq. , city: Kish, state: Hormozgan} key: GIH_042 { name: Height, phone: 0131-5262266, address: Namak Abrood, city: Chaloos, state: Gilan} }<\/textarea><\/p>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"show\">\n<div class=\"crayon-nums-content\">\n<p>1<\/p>\n<p>2<\/p>\n<p>3<\/p>\n<p>4<\/p>\n<p>5<\/p>\n<p>6<\/p>\n<p>7<\/p>\n<p>8<\/p>\n<p>9<\/p>\n<p>10<\/p>\n<p>11<\/p>\n<p>12<\/p>\n<p>13<\/p>\n<p>14<\/p>\n<p>15<\/p>\n<p>16<\/p>\n<p>17<\/p>\n<p>18<\/p>\n<p>19<\/p>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<p><span class=\"crayon-e\">Hotel<\/span> <span class=\"crayon-sy\">{<\/span><\/p>\n<p><span class=\"crayon-v\">key<\/span><span class=\"crayon-o\">:<\/span> <span class=\"crayon-e\">THE_043<\/span> <span class=\"crayon-sy\">{<\/span> <span class=\"crayon-v\">name<\/span><span class=\"crayon-o\">:<\/span> <span class=\"crayon-v\">Espinas<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">phone<\/span><span class=\"crayon-o\">:<\/span> <span class=\"crayon-cn\">021<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-cn\">66352565<\/span><span class=\"crayon-sy\">,<\/span><\/p>\n<p><span class=\"crayon-v\">address<\/span><span class=\"crayon-o\">:<\/span> <span class=\"crayon-e\">Keshavarz <\/span><span class=\"crayon-v\">Blvd<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">city<\/span><span class=\"crayon-o\">:<\/span> <span class=\"crayon-v\">Tehran<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">state<\/span><span class=\"crayon-o\">:<\/span> <span class=\"crayon-v\">Tehran<\/span><span class=\"crayon-sy\">}<\/span><\/p>\n<p><span class=\"crayon-v\">key<\/span><span class=\"crayon-o\">:<\/span> <span class=\"crayon-e\">THC_011<\/span> <span class=\"crayon-sy\">{<\/span> <span class=\"crayon-v\">name<\/span><span class=\"crayon-o\">:<\/span> <span class=\"crayon-v\">Evin<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">phone<\/span><span class=\"crayon-o\">:<\/span> <span class=\"crayon-cn\">021<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-cn\">22668562<\/span><span class=\"crayon-sy\">,<\/span><\/p>\n<p><span class=\"crayon-v\">address<\/span><span class=\"crayon-o\">:<\/span> <span class=\"crayon-e\">Chamran <\/span><span class=\"crayon-v\">Highway<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">city<\/span><span class=\"crayon-o\">:<\/span> <span class=\"crayon-v\">Tehran<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">state<\/span><span class=\"crayon-o\">:<\/span> <span class=\"crayon-v\">Tehran<\/span><span class=\"crayon-sy\">}<\/span><\/p>\n<p><span class=\"crayon-v\">key<\/span><span class=\"crayon-o\">:<\/span> <span class=\"crayon-e\">HRD_021<\/span> <span class=\"crayon-sy\">{<\/span> <span class=\"crayon-v\">name<\/span><span class=\"crayon-o\">:<\/span> <span class=\"crayon-v\">Dariush<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">phone<\/span><span class=\"crayon-o\">:<\/span> <span class=\"crayon-cn\">0764<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-cn\">4223659<\/span><span class=\"crayon-sy\">,<\/span><\/p>\n<p><span class=\"crayon-v\">address<\/span><span class=\"crayon-o\">:<\/span> <span class=\"crayon-e\">Dariush <\/span><span class=\"crayon-v\">Sq<\/span><span class=\"crayon-sy\">.<\/span> <span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">city<\/span><span class=\"crayon-o\">:<\/span> <span class=\"crayon-v\">Kish<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">state<\/span><span class=\"crayon-o\">:<\/span> <span class=\"crayon-v\">Hormozgan<\/span><span class=\"crayon-sy\">}<\/span><\/p>\n<p><span class=\"crayon-v\">key<\/span><span class=\"crayon-o\">:<\/span> <span class=\"crayon-e\">GIH_042<\/span> <span class=\"crayon-sy\">{<\/span> <span class=\"crayon-v\">name<\/span><span class=\"crayon-o\">:<\/span> <span class=\"crayon-v\">Height<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">phone<\/span><span class=\"crayon-o\">:<\/span> <span class=\"crayon-cn\">0131<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-cn\">5262266<\/span><span class=\"crayon-sy\">,<\/span><\/p>\n<p><span class=\"crayon-v\">address<\/span><span class=\"crayon-o\">:<\/span> <span class=\"crayon-e\">Namak <\/span><span class=\"crayon-v\">Abrood<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">city<\/span><span class=\"crayon-o\">:<\/span> <span class=\"crayon-v\">Chaloos<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">state<\/span><span class=\"crayon-o\">:<\/span> <span class=\"crayon-v\">Gilan<\/span><span class=\"crayon-sy\">}<\/span><\/p>\n<p><span class=\"crayon-sy\">}<\/span><\/p>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p><!-- [Format Time: 0.0020 seconds] --><\/p>\n<p>\u062a\u0648\u062c\u0647 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u062f\u0631 \u0645\u062b\u0627\u0644 \u0641\u0648\u0642\u060c \u0628\u0631\u0686\u0633\u0628 \u0632\u0645\u0627\u0646\u06cc \u0633\u062a\u0648\u0646\u200c\u0647\u0627 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0633\u0627\u062f\u06af\u06cc \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0646\u0634\u062f\u0647 \u0627\u0633\u062a. \u062f\u0631 \u0635\u0648\u0631\u062a\u06cc \u06a9\u0647 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u00a0CLI(\u06a9\u0644\u0627\u06cc\u0646\u062a \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627) \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0641\u0648\u0642 \u0645\u0648\u0631\u062f \u067e\u0631\u0633 \u0648 \u062c\u0648 \u0642\u0631\u0627\u0631 \u06af\u06cc\u0631\u062f\u060c \u062e\u0631\u0648\u062c\u06cc \u0632\u06cc\u0631 \u062a\u0648\u0644\u06cc\u062f \u062e\u0648\u0627\u0647\u062f \u0634\u062f.<\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta --><\/p>\n<div id=\"crayon-61472fa16b543584893516\" class=\"crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover\">\n<p><textarea class=\"crayon-plain print-no\" readonly=\"readonly\" wrap=\"soft\" data-settings=\"dblclick\">&lt;br \/&gt;&lt;br \/&gt;<br \/>\n=&gt; (column=state, value=Hormozgan, timestamp=\u06f3\u06f8\u06f9\u06f4\u06f1\u06f6\u06f6\u06f1\u06f5\u06f7\u06f0\u06f3\u06f1\u06f6\u06f5\u06f1) =&gt; (column=phone, value=0764-\u06f4\u06f2\u06f2\u06f3\u06f6\u06f5\u06f9, timestamp=\u06f3\u06f8\u06f9\u06f4\u06f1\u06f6\u06f6\u06f1\u06f5\u06f7\u06f0\u06f3\u06f1\u06f6\u06f5\u06f1) =&gt; (column=name, value=Dariush, timestamp=\u06f3\u06f8\u06f9\u06f4\u06f1\u06f6\u06f6\u06f1\u06f5\u06f7\u06f0\u06f3\u06f1\u06f6\u06f5\u06f1) =&gt; (column=city, value=Kish, timestamp=\u06f3\u06f8\u06f9\u06f4\u06f1\u06f6\u06f6\u06f1\u06f5\u06f7\u06f0\u06f3\u06f1\u06f6\u06f5\u06f1) =&gt; (column=address, value= Dariush Sq., timestamp=\u06f3\u06f8\u06f9\u06f4\u06f1\u06f6\u06f6\u06f1\u06f5\u06f7\u06f0\u06f3\u06f1\u06f6\u06f5\u06f1) Returned \u06f5 results.<\/textarea><\/p>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"show\">\n<div class=\"crayon-nums-content\">\n<p>1<\/p>\n<p>2<\/p>\n<p>3<\/p>\n<p>4<\/p>\n<p>5<\/p>\n<p>6<\/p>\n<p>7<\/p>\n<p>8<\/p>\n<p>9<\/p>\n<p>10<\/p>\n<p>11<\/p>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<p><span class=\"crayon-o\">=<\/span><span class=\"crayon-o\">&gt;<\/span> <span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">column<\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-v\">state<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">value<\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-v\">Hormozgan<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">timestamp<\/span><span class=\"crayon-o\">=<\/span>\u06f3\u06f8\u06f9\u06f4\u06f1\u06f6\u06f6\u06f1\u06f5\u06f7\u06f0\u06f3\u06f1\u06f6\u06f5\u06f1<span class=\"crayon-sy\">)<\/span><\/p>\n<p><span class=\"crayon-o\">=<\/span><span class=\"crayon-o\">&gt;<\/span> <span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">column<\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-v\">phone<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">value<\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-cn\">0764<\/span><span class=\"crayon-o\">&#8211;<\/span>\u06f4\u06f2\u06f2\u06f3\u06f6\u06f5\u06f9<span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">timestamp<\/span><span class=\"crayon-o\">=<\/span>\u06f3\u06f8\u06f9\u06f4\u06f1\u06f6\u06f6\u06f1\u06f5\u06f7\u06f0\u06f3\u06f1\u06f6\u06f5\u06f1<span class=\"crayon-sy\">)<\/span><\/p>\n<p><span class=\"crayon-o\">=<\/span><span class=\"crayon-o\">&gt;<\/span> <span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">column<\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-v\">name<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">value<\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-v\">Dariush<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">timestamp<\/span><span class=\"crayon-o\">=<\/span>\u06f3\u06f8\u06f9\u06f4\u06f1\u06f6\u06f6\u06f1\u06f5\u06f7\u06f0\u06f3\u06f1\u06f6\u06f5\u06f1<span class=\"crayon-sy\">)<\/span><\/p>\n<p><span class=\"crayon-o\">=<\/span><span class=\"crayon-o\">&gt;<\/span> <span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">column<\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-v\">city<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">value<\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-v\">Kish<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">timestamp<\/span><span class=\"crayon-o\">=<\/span>\u06f3\u06f8\u06f9\u06f4\u06f1\u06f6\u06f6\u06f1\u06f5\u06f7\u06f0\u06f3\u06f1\u06f6\u06f5\u06f1<span class=\"crayon-sy\">)<\/span><\/p>\n<p><span class=\"crayon-o\">=<\/span><span class=\"crayon-o\">&gt;<\/span> <span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">column<\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-v\">address<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">value<\/span><span class=\"crayon-o\">=<\/span> <span class=\"crayon-e\">Dariush <\/span><span class=\"crayon-v\">Sq<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">timestamp<\/span><span class=\"crayon-o\">=<\/span>\u06f3\u06f8\u06f9\u06f4\u06f1\u06f6\u06f6\u06f1\u06f5\u06f7\u06f0\u06f3\u06f1\u06f6\u06f5\u06f1<span class=\"crayon-sy\">)<\/span><\/p>\n<p><span class=\"crayon-i\">Returned<\/span> \u06f5 <span class=\"crayon-v\">results<\/span><span class=\"crayon-sy\">.<\/span><\/p>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p><!-- [Format Time: 0.0007 seconds] --><\/p>\n<p>\u0628\u0631 \u0627\u0633\u0627\u0633 \u0645\u0648\u0627\u0631\u062f \u0630\u06a9\u0631\u0634\u062f\u0647\u060c \u0627\u0632 \u062a\u0641\u0627\u0648\u062a\u200c\u0647\u0627\u06cc \u06a9\u0644\u06cc \u0645\u0648\u062c\u0648\u062f \u0645\u06cc\u0627\u0646 \u0645\u062f\u0644 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u0648 \u0645\u062f\u0644 \u0633\u0646\u062a\u06cc \u0631\u0627\u0628\u0637\u0647\u200c\u0627\u06cc \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0628\u0647 \u0645\u0648\u0627\u0631\u062f\u06cc \u0646\u0638\u06cc\u0631 \u0646\u0628\u0648\u062f \u0632\u0628\u0627\u0646 \u067e\u0631\u0633\u200c\u0648\u200c\u062c\u0648 \u0648 \u0646\u0628\u0648\u062f \u06cc\u06a9\u067e\u0627\u0631\u0686\u06af\u06cc \u0645\u0631\u062c\u0639\u06cc \u0648 \u062f\u0631 \u0646\u062a\u06cc\u062c\u0647 \u0646\u0628\u0648\u062f \u0639\u0645\u0644\u06cc\u0627\u062a Join \u0648 \u0627\u0646\u0637\u0628\u0627\u0642 \u0628\u0647\u062a\u0631 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u0628\u0627 \u0645\u062f\u0644 Denormalize \u00a0\u0634\u062f\u0647 \u062f\u0627\u062f\u0647\u200c\u0627\u06cc \u0628\u0631 \u062e\u0644\u0627\u0641 \u0645\u062f\u0644 \u0631\u0627\u0628\u0637\u0647\u200c\u0627\u06cc \u0627\u0634\u0627\u0631\u0647 \u06a9\u0631\u062f.<\/p>\n<h3><span id=\"Denormalization\"><b>Denormalization<\/b><b><br \/>\n<\/b><\/span><\/h3>\n<p>\u009e\u062f\u0631 \u0633\u0637\u0648\u062d \u0628\u0627\u0644\u0627\u06cc \u0646\u0631\u0645\u0627\u0644 \u0633\u0627\u0632\u06cc \u060c \u06af\u0627\u0647\u06cc \u06a9\u0627\u0647\u0634 \u0627\u0641\u0632\u0648\u0646\u06af\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627 \u0645\u0639\u0627\u06cc\u0628\u06cc \u0631\u0627 \u0646\u06cc\u0632 \u0628\u0647 \u062f\u0646\u0628\u0627\u0644 \u062e\u0648\u0627\u0647\u0646\u062f \u062f\u0627\u0634\u062a \u060c \u0645\u062b\u0644\u0627 \u0641\u0631\u0622\u06cc\u0646\u062f \u0646\u0631\u0645\u0627\u0644 \u0633\u0627\u0632\u06cc \u0628\u0627\u0639\u062b \u06a9\u0627\u0647\u0634 \u0632\u0645\u0627\u0646 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\u067e\u0627\u0633\u062e \u06af\u0648\u06cc\u06cc \u0627\u0632 \u0641\u0627\u06a9\u062a\u0648\u0631 \u0647\u0627\u06cc \u0645\u0647\u0645 \u0627\u0633\u062a \u060c \u0627\u0635\u0644\u0627 \u0645\u0646\u0627\u0633\u0628 \u0646\u06cc\u0633\u062a. \u062f\u0631 \u0627\u06cc\u0646 \u0646\u0648\u0639 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627 \u06a9\u0647 \u062f\u0631 \u0622\u0646\u0647\u0627 \u0627\u0641\u0632\u0648\u0646\u06af\u06cc \u062f\u0627\u062f\u0647 \u0627\u0647\u0645\u06cc\u062a \u0686\u0646\u062f\u0627\u0646\u06cc \u0646\u062f\u0627\u0631\u062f \u0645\u06cc\u062a\u0648\u0627\u0646 \u0633\u0637\u062d \u0646\u0631\u0645\u0627\u0644 \u0633\u0627\u0632\u06cc \u0631\u0627 \u06a9\u0627\u0647\u0634 \u062f\u0627\u062f \u06a9\u0647 \u0627\u06cc\u0646 \u0641\u0631\u0622\u06cc\u0646\u062f \u0631\u0627 <b>Denormalization<\/b> \u06af\u0648\u06cc\u0646\u062f.<\/p>\n<h2><span id=\"--OLAP\">\u0646\u0642\u0634 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0633\u062a\u0648\u0646 \u06af\u0631\u0627 \u062f\u0631 \u0637\u0631\u0627\u062d\u06cc OLAP<\/span><\/h2>\n<p>\u062f\u0631 \u062d\u0627\u0644 \u062d\u0627\u0636\u0631 \u060c OLAP \u0647\u0645\u0686\u0646\u0627\u0646 \u06cc\u06a9 \u0641\u0646\u0627\u0648\u0631\u06cc \u062f\u0633\u062a \u0648 \u067e\u0627\u06af\u06cc\u0631 \u0627\u0633\u062a \u060c \u0632\u06cc\u0631\u0627 \u0628\u0631\u0627\u06cc \u0633\u0627\u062e\u062a \u0645\u06a9\u0639\u0628 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0645\u062f\u0644 \u0633\u0627\u0632\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u062c\u062f\u0627\u06af\u0627\u0646\u0647 \u062f\u0627\u0631\u062f. \u0648 \u0647\u0631\u0686\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0628\u06cc\u0634\u062a\u0631\u06cc \u0628\u0631\u0627\u06cc \u062a\u062c\u0632\u06cc\u0647 \u0648 \u062a\u062d\u0644\u06cc\u0644 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f 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&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35],"tags":[],"class_list":["post-17257","post","type-post","status-publish","format-standard","hentry","category-bigdata"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/17257","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=17257"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/17257\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=17257"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=17257"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=17257"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}