{"id":13719,"date":"2020-01-08T07:58:42","date_gmt":"2020-01-08T07:58:42","guid":{"rendered":"http:\/\/bigdata-ir.com\/?p=214"},"modified":"2020-01-08T07:58:42","modified_gmt":"2020-01-08T07:58:42","slug":"%da%a9%d8%a7%d8%b3%d8%a7%d9%86%d8%af%d8%b1%d8%a7-%d9%88-%d8%a8%d8%b1%d8%b1%d8%b3%db%8c-%d8%a7%d8%ac%d9%85%d8%a7%d9%84%db%8c-%d8%a2%d9%86","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/%da%a9%d8%a7%d8%b3%d8%a7%d9%86%d8%af%d8%b1%d8%a7-%d9%88-%d8%a8%d8%b1%d8%b1%d8%b3%db%8c-%d8%a7%d8%ac%d9%85%d8%a7%d9%84%db%8c-%d8%a2%d9%86\/","title":{"rendered":"\u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u0648 \u0628\u0631\u0631\u0633\u06cc \u0627\u062c\u0645\u0627\u0644\u06cc \u0622\u0646"},"content":{"rendered":"<p>\u067e\u0627\u064a\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u06cc\u06a9 \u0633\u06cc\u0633\u062a\u0645 \u0627\u0646\u0628\u0627\u0631\u200c\u0647 \u062f\u0627\u062f\u0647 \u06cc 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\u0634\u062f\u0647 \u0627\u0633\u062a \u0648 \u200bCassandra Query Languge (CQL) \u06cc\u06a9 \u0632\u0628\u0627\u0646 \u0634\u0628\u06cc\u0647 SQL \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0627\u0631\u062a\u0628\u0627\u0637 \u0628\u0627 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 Cassandra \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0642\u0631\u0627\u0631 \u0645\u06cc\u200c\u06af\u06cc\u0631\u062f.<\/p>\n<p>\u062a\u0648\u0644\u06cc\u062f \u06a9\u0646\u0646\u062f\u0647 \u067e\u0627\u064a\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u0622\u0642\u0627\u06cc\u0627\u0646 Avinash Lakshman \u0648 Prashant Malik \u0647\u0633\u062a\u0646\u062f. \u0627\u06cc\u0646 \u0628\u0627\u0646\u06a9 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0627\u0628\u062a\u062f\u0627 \u062f\u0631 \u0641\u06cc\u0633\u0628\u0648\u06a9 \u0646\u0648\u0634\u062a\u0647 \u0634\u062f \u0648 \u062f\u0631 \u0633\u0627\u0644 \u06f2\u06f0\u06f0\u06f8 \u0627\u0648\u0644\u06cc\u0646 \u0646\u0633\u062e\u0647 \u0627\u0631\u0627\u0626\u0647 \u0634\u062f \u0648 \u0647\u0645\u06cc\u0646 \u062d\u0627\u0644\u0627 \u0628\u0631\u0627\u06cc \u0628\u062e\u0634 Facebook inbox Search \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0642\u0631\u0627\u0631 \u0645\u06cc\u200c\u06af\u06cc\u0631\u062f.<\/p>\n<p>\u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u0627\u0628\u062a\u062f\u0627 \u062f\u0631 \u0641\u06cc\u0633 \u0628\u0648\u06a9 \u0627\u06cc\u062c\u0627\u062f \u0634\u062f. \u062a\u0631\u06a9\u06cc\u0628 <b>Big Table<\/b> <b>\u00a0<\/b>\u0648 <b>Amazon Dynamo. <\/b>\u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u062f\u0631 \u0628\u062f\u0648 \u062a\u0648\u0644\u06cc\u062f \u0628\u0647 \u0645\u0646\u0638\u0648\u0631 \u0628\u0647\u0628\u0648\u062f \u06a9\u0627\u0631\u0627\u06cc\u06cc \u201c<b>Inbox Search<\/b>\u201d \u0627\u06cc\u062c\u0627\u062f \u0634\u062f\u0647 \u0628\u0648\u062f. \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u067e\u0631\u0648\u0698\u0647 \u0645\u0646\u0628\u0639 \u0628\u0627\u0632 \u062f\u0631 \u0645\u0627\u0647 \u0698\u0648\u0626\u06cc\u0647 \u0633\u0627\u0644 2008 \u0645\u0646\u062a\u0634\u0631 \u0634\u062f. \u0627\u06cc\u0646 \u067e\u0631\u0648\u0698\u0647 \u062f\u0631 \u0645\u0627\u0647 \u0641\u0648\u0631\u06cc\u0647 \u0633\u0627\u0644 2009 \u0628\u0647 \u067e\u0631\u0648\u0698\u0647 \u0622\u067e\u0627\u0686\u06cc \u062a\u0628\u062f\u06cc\u0644 \u0634\u062f \u0648 \u06cc\u06a9 \u0633\u0627\u0644 \u067e\u0633 \u0627\u0632 \u0622\u0646 \u06cc\u06a9 \u067e\u0631\u0648\u0698\u0647 \u0633\u0637\u062d \u06a9\u0627\u0645\u0644 \u0634\u062f.\u00a0\u067e\u0633 \u0639\u0645\u0644\u0627 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u062f\u0631 \u0633\u0627\u0644 2010 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0645\u062d\u0635\u0648\u0644 \u0648\u0627\u0631\u062f \u0628\u0627\u0632\u0627\u0631 \u0634\u062f\u0647 \u0627\u0633\u062a.<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0635\u0631\u0641\u0627 \u062c\u0647\u062a \u0646\u0645\u0627\u06cc\u0634 \u0645\u06cc\u0632\u0627\u0646 \u0631\u0634\u062f \u0645\u0634\u062a\u0631\u06cc\u0627\u0646 \u0648 \u0645\u062d\u0628\u0648\u0628\u06cc\u062a \u0622\u067e\u0627\u0686\u06cc \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u0645\u06cc \u0622\u0648\u0631\u06cc\u0645. \u0628\u0627 \u0645\u0642\u0627\u06cc\u0633\u0647 \u062f\u0648\u0634\u06a9\u0644 \u0632\u06cc\u0631 \u0645\u0634\u0627\u0647\u062f\u0647 \u0645\u06cc\u0634\u0648\u062f \u06a9\u0647 \u0641\u0642\u0637 \u062f\u0631 \u0639\u0631\u0636 \u06cc\u0647 \u0633\u0627\u0644 \u0645\u0634\u062a\u0631\u06cc\u0627\u0646 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u0627\u0641\u0632\u0627\u06cc\u0634 \u0686\u0634\u0645\u06af\u06cc\u0631\u06cc \u062f\u0627\u0634\u062a\u0647 \u0627\u0633\u062a. 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\u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 NOSQL \u0631\u0627 \u0641\u0642\u0637 \u062f\u0631 \u0637\u0648\u0644 \u0633\u0627\u0644 \u0647\u0627\u06cc 2011 \u062a\u0627 2012 \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u06a9\u0646\u06cc\u0645. \u0647\u0631 \u0686\u0646\u062f \u0627\u0645\u0631\u0648\u0632 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u062c\u0632 \u067e\u0631 \u0645\u0634\u062a\u0631\u06cc \u062a\u0631\u06cc\u0646 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u063a\u06cc\u0631 \u0631\u0627\u0628\u0637\u0647 \u0627\u06cc \u0627\u0633\u062a.<\/p>\n<div>\n<p>\u0646\u0635\u0628 \u062f\u0633\u062a\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u0627\u0632 \u0627\u06cc\u0646 \u062c\u0647\u062a\u00a0 \u0628\u0631\u0627\u06cc \u0645\u0627 \u0627\u0647\u0645\u06cc\u062a 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\u0628\u0627\u06cc\u062f JDK \u0628\u0631 \u0631\u0648\u06cc \u0633\u06cc\u0633\u062a\u0645 \u0639\u0627\u0645\u0644 \u0646\u0635\u0628 \u0634\u062f\u0647 \u0628\u0627\u0634\u062f. \u06a9\u0647 \u0637\u0631\u06cc\u0642 \u0646\u0635\u0628 \u062f\u0633\u062a\u06cc JDK \u0627\u0632 \u0631\u0648\u06cc \u0641\u0627\u06cc\u0644 \u062a\u0631\u0628\u0627\u0644 \u062f\u0631 \u067e\u0633\u062a \u0647\u0627\u06cc \u0642\u0628\u0644\u06cc \u062a\u0648\u0636\u06cc\u062d \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a.<\/p>\n<p>\u0627\u0631\u0632\u0634 \u0627\u0641\u0632\u0648\u062f\u0647 \u062f\u06cc\u06af\u0631 \u0646\u0635\u0628 \u062f\u0633\u062a\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u06cc\u0627\u062f\u06af\u06cc\u0631\u06cc \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0628\u0627\u0639\u062b \u0645\u06cc\u0634\u0648\u062f \u06a9\u0647 \u0645\u0627 \u0641\u0627\u0631\u0642 \u0646\u0648\u0639 \u062a\u0648\u0632\u06cc\u0639 \u0633\u06cc\u0633\u062a\u0645 \u0639\u0627\u0645\u0644 \u0644\u06cc\u0646\u0648\u06a9\u0633 \u0628\u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u06cc\u0646 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0631\u0627 \u062f\u0631 \u0647\u0631 \u062a\u0648\u0632\u06cc\u0639\u06cc \u0627\u0632 \u0644\u06cc\u0646\u0648\u06a9\u0633 \u0646\u0635\u0628 \u06a9\u0646\u06cc\u0645.<\/p>\n<figure id=\"attachment_953\" class=\"wp-caption aligncenter\" aria-describedby=\"caption-attachment-953\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-953\" src=\"https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2020\/01\/d985d8b1d988d8b1db8c-d8a8d8b1-d9bed8a7d98adaafd8a7d987-d8afd8a7d8afd987-daa9d8a7d8b3d8a7d986d8afd8b1d8a7-d988-d8a8d8b1d8b1d8b3db8c-d986.jpg\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" srcset=\"https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2020\/01\/d985d8b1d988d8b1db8c-d8a8d8b1-d9bed8a7d98adaafd8a7d987-d8afd8a7d8afd987-daa9d8a7d8b3d8a7d986d8afd8b1d8a7-d988-d8a8d8b1d8b1d8b3db8c-d986.jpg 300w, https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2020\/01\/d985d8b1d988d8b1db8c-d8a8d8b1-d9bed8a7d98adaafd8a7d987-d8afd8a7d8afd987-daa9d8a7d8b3d8a7d986d8afd8b1d8a7-d988-d8a8d8b1d8b1d8b3db8c-d986-2.jpg 150w, https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2020\/01\/d985d8b1d988d8b1db8c-d8a8d8b1-d9bed8a7d98adaafd8a7d987-d8afd8a7d8afd987-daa9d8a7d8b3d8a7d986d8afd8b1d8a7-d988-d8a8d8b1d8b1d8b3db8c-d986-3.jpg 200w, https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2020\/01\/d985d8b1d988d8b1db8c-d8a8d8b1-d9bed8a7d98adaafd8a7d987-d8afd8a7d8afd987-daa9d8a7d8b3d8a7d986d8afd8b1d8a7-d988-d8a8d8b1d8b1d8b3db8c-d986-4.jpg 270w, https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2020\/01\/d985d8b1d988d8b1db8c-d8a8d8b1-d9bed8a7d98adaafd8a7d987-d8afd8a7d8afd987-daa9d8a7d8b3d8a7d986d8afd8b1d8a7-d988-d8a8d8b1d8b1d8b3db8c-d986-5.jpg 192w, https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2020\/01\/d985d8b1d988d8b1db8c-d8a8d8b1-d9bed8a7d98adaafd8a7d987-d8afd8a7d8afd987-daa9d8a7d8b3d8a7d986d8afd8b1d8a7-d988-d8a8d8b1d8b1d8b3db8c-d986-6.jpg 180w, https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2020\/01\/d985d8b1d988d8b1db8c-d8a8d8b1-d9bed8a7d98adaafd8a7d987-d8afd8a7d8afd987-daa9d8a7d8b3d8a7d986d8afd8b1d8a7-d988-d8a8d8b1d8b1d8b3db8c-d986-7.jpg 32w, https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2020\/01\/d985d8b1d988d8b1db8c-d8a8d8b1-d9bed8a7d98adaafd8a7d987-d8afd8a7d8afd987-daa9d8a7d8b3d8a7d986d8afd8b1d8a7-d988-d8a8d8b1d8b1d8b3db8c-d986-8.jpg 512w\" alt=\"\u0646\u0635\u0628 \u062f\u0633\u062a\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627\" width=\"300\" height=\"300\" title=\"\"><figcaption id=\"caption-attachment-953\" class=\"wp-caption-text\">\u0646\u0635\u0628 \u062f\u0633\u062a\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627<\/figcaption><\/figure>\n<h4>\u0645\u0631\u0627\u062d\u0644 \u0646\u0635\u0628 \u062f\u0633\u062a\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627<\/h4>\n<p>\u0627\u0628\u062a\u062f\u0627 \u0646\u0633\u062e\u0647 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u0645\u0648\u0631\u062f \u0646\u0638\u0631 \u062e\u0648\u062f \u0631\u0627 \u0628\u0647 \u0631\u0648\u0634 \u0632\u06cc\u0631 \u062f\u0627\u0646\u0644\u0648\u062f \u06a9\u06cc\u062f.<\/p>\n<p dir=\"ltr\">\u009e$ -&gt; wget <u><a href=\"http:\/\/archive.apache.org\/dist\/cassandra\/3.10\/apache-cassandra-3.10-bin.tar.gz\" target=\"_blank\" rel=\"noopener\">http:\/\/archive.apache.org\/dist\/cassandra\/3.10\/apache-cassandra-3.10-bin.tar.gz<\/a><\/u><\/p>\n<p>\u0628\u0631\u0627\u06cc \u0646\u0635\u0628 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u062f\u0633\u062a\u0631\u0633\u06cc \u0633\u0648\u067e\u0631 \u06cc\u0648\u0632\u0631 \u062f\u0627\u0631\u06cc\u0645 \u067e\u0633 \u0628\u0627 \u062f\u0633\u062a\u0648\u0631 \u0632\u06cc\u0631 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f.<\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta --> <!-- [Format Time: 0.0008 seconds] --><\/p>\n<p>\u062f\u0627\u06cc\u0631\u06a9\u062a\u0648\u0631\u06cc \/opt \u0628\u0631\u0627\u06cc \u0646\u0635\u0628 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631\u0647\u0627 \u0648 \u0627\u0641\u0632\u0648\u0646\u0647 \u0647\u0627 \u0631\u0632\u0631\u0648 \u0634\u062f\u0647 \u0627\u0633\u062a \u067e\u0633 \u0628\u0627 \u062f\u0633\u062a\u0648\u0631 \u0632\u06cc\u0631 \u062f\u0631\u0648\u0646 \u0622\u0646 \u067e\u0648\u0634\u0647 \u0627\u06cc \u0628\u0647 \u0646\u0627\u0645 cassandra \u062f\u0631\u0633\u062a \u06a9\u0646\u06cc\u062f \u0648 \u0648\u0627\u0631\u062f \u0622\u0646 \u0634\u0648\u06cc\u062f.<\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta --><\/p>\n<div id=\"crayon-5e158bb11d71e401531982\" 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;<br \/>\nmkdir \/opt\/cassandra cd \/opt\/cassandra<\/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\"><\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<p><span class=\"crayon-v\">mkdir<\/span> <span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">opt<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-e\">cassandra<\/span><\/p>\n<p><span class=\"crayon-v\">cd<\/span> <span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">opt<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">cassandra<\/span><\/p>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p><!-- [Format Time: 0.0001 seconds] --><\/p>\n<p>\u0628\u0627 \u062f\u0633\u062a\u0648\u062f \u0632\u06cc\u0631 \u0641\u0627\u06cc\u0644 \u0641\u0634\u0631\u062f\u0647 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u062f\u0631 \u0645\u062d\u0644 \u062f\u0627\u06cc\u0631\u06a9\u062a\u0648\u0631\u06cc \u0633\u0627\u062e\u062a\u0647 \u0634\u062f\u0647 \u0627\u0632 \u062d\u0627\u0644\u062a \u0641\u0634\u0631\u062f\u0647 \u062e\u0627\u0631\u062c \u06a9\u0646\u06cc\u062f.<\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta --><\/p>\n<div id=\"crayon-5e158bb11d721512556707\" 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;<br \/>\n\u009e$ -&gt; tar \u2013xvzf apache-cassandra-3.10-bin.tar.gz &nbsp;-C cassandra<\/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\"><\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<p>\u009e<span class=\"crayon-sy\">$<\/span> <span class=\"crayon-o\">-&gt;<\/span> <span class=\"crayon-i\">tar<\/span> \u2013<span class=\"crayon-e\">xvzf <\/span><span class=\"crayon-v\">apache<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">cassandra<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-cn\">3.10<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">bin<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">tar<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-i\">gz<\/span> \u00a0<span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-i\">C<\/span> <span class=\"crayon-v\">cassandra<\/span><\/p>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p><!-- [Format Time: 0.0002 seconds] --><\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0631\u062d\u0644\u0647 \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u0645\u0633\u06cc\u0631 \u0645\u062d\u0644 \u0641\u0627\u06cc\u0644 \u0647\u0627\u06cc \u0627\u062c\u0631\u0627\u06cc\u06cc \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u0628\u0631\u0627\u06cc \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 \u0647\u0627 \u0642\u0627\u0628\u0644 \u0634\u0646\u0627\u0633\u0627\u06cc\u06cc \u0628\u0627\u0634\u06cc\u062f \u0645\u0631\u0627\u062d\u0644 \u0632\u06cc\u0631 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f. \u0627\u0628\u062a\u062f\u0627 \u062f\u0633\u062a\u0648\u0631 \u0632\u06cc\u0631 \u0631\u0627 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u062f.<\/p>\n<div data-unique=\"(optional)-updating-java\"><!-- Crayon Syntax Highlighter v_2.7.2_beta --><\/p>\n<div id=\"crayon-5e158bb11d723171893851\" 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;<br \/>\n\u009eecho $CASSANDRA_HOME<\/textarea><\/p>\n<div class=\"crayon-main\">\n<table class=\"crayon-table\">\n<tbody>\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums \" data-settings=\"show\"><\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<p>\u009e<span class=\"crayon-i\">echo<\/span> <span class=\"crayon-sy\">$<\/span><span class=\"crayon-v\">CASSANDRA_HOME<\/span><\/p>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p><!-- [Format Time: 0.0001 seconds] --><\/p>\n<p>\u0627\u06af\u0631 \u0627\u0632 \u062e\u0631\u0648\u062c\u06cc \u062f\u0633\u062a\u0648\u0631 \u0628\u0627\u0644\u0627 \u0645\u062d\u0644 \u0646\u0635\u0628 cassandra \u0631\u0627 \u062f\u0631\u06cc\u0627\u0641\u062a \u0646\u06a9\u0631\u062f\u06cc\u062f. \u0641\u0627\u06cc\u0644 bash.bashrc \u06a9\u0647 \u062f\u0631 \u062f\u0627\u06cc\u0631\u06a9\u062a\u0648\u0631\u06cc etc \u0642\u0631\u0627\u0631 \u062f\u0627\u0631\u062f \u0631\u0627 \u0628\u0627 \u062f\u0633\u062a\u0648\u0631 \u0632\u06cc\u0631 \u0628\u0627\u0632 \u06a9\u0646\u06cc\u062f.<\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta --><\/p>\n<div id=\"crayon-5e158bb11d724840076758\" 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;<br \/>\n\u009enano etc\/bach.bashrc<\/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\"><\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<p>\u009e<span class=\"crayon-e\">nano <\/span><span class=\"crayon-v\">etc<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">bach<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">bashrc<\/span><\/p>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p><!-- [Format Time: 0.0001 seconds] --><\/p>\n<p>\u0648 \u0633\u067e\u0633 \u0645\u0648\u0627\u0631\u062f \u0632\u06cc\u0631 \u0631\u0627 \u062f\u0631 \u0627\u06cc\u0646 \u0641\u0627\u06cc\u0644 \u06a9\u067e\u06cc \u06a9\u0646\u06cc\u062f. \u0628\u0627 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0645\u0633\u06cc\u0631 \u0646\u0635\u0628 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u0628\u0631\u0627\u06cc \u0633\u06cc\u0633\u062a\u0645 \u0639\u0627\u0645\u0644 \u0642\u0627\u0628\u0644 \u0634\u0646\u0627\u0633\u0627\u06cc\u06cc \u0645\u06cc \u0634\u0648\u062f. \u0686\u0631\u0627 \u06a9\u0647 \u0627\u06cc\u0646 \u0641\u0627\u06cc\u0644 \u062f\u0631 \u0647\u0631 \u0628\u0627\u0631 \u0627\u062c\u0631\u0627\u06cc \u0634\u0644 \u0628\u0627\u0632\u062e\u0648\u0627\u0646\u06cc \u0645\u06cc\u0634\u0648\u062f<\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta --><\/p>\n<div id=\"crayon-5e158bb11d725080177447\" 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;<br \/>\nCASSANDRA_HOME=\/opt\/cassandra\/apache-cassandra-3.10 PATH=$PATH:$CASSANDRA_HOME\/bin export CASSANDRA_HOME<\/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\"><\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<p><span class=\"crayon-v\">CASSANDRA_HOME<\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">opt<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">cassandra<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">apache<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">cassandra<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-cn\">3.10<\/span><\/p>\n<p><span class=\"crayon-v\">PATH<\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-sy\">$<\/span><span class=\"crayon-v\">PATH<\/span><span class=\"crayon-o\">:<\/span><span class=\"crayon-sy\">$<\/span><span class=\"crayon-v\">CASSANDRA_HOME<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-e\">bin<\/span><\/p>\n<p><span class=\"crayon-e\">export <\/span><span class=\"crayon-v\">CASSANDRA_HOME<\/span><\/p>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p><!-- [Format Time: 0.0001 seconds] --><\/p>\n<p>\u0641\u0627\u06cc\u0644 \u0631\u0627 \u0628\u0628\u0646\u062f\u06cc\u062f \u0648 \u062f\u0633\u062a\u0648\u0631 \u0632\u06cc\u0631 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0627\u0646\u062a\u0634\u0627\u0631 \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u062f.<\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta --><\/p>\n<div id=\"crayon-5e158bb11d726425140910\" 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;<br \/>\n\u009esource etc\/bach.bashrc<\/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\"><\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<p>\u009e<span class=\"crayon-e\">source <\/span><span class=\"crayon-v\">etc<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">bach<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">bashrc<\/span><\/p>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p><!-- [Format Time: 0.0001 seconds] --><\/p>\n<p>\u0627\u06cc\u0646 \u0628\u0627\u0631 \u0628\u0627 \u0627\u062c\u0631\u0627 \u062f\u0633\u062a\u0648\u0631 \u0632\u06cc\u0631 \u0628\u0627\u06cc\u062f \u0645\u0633\u06cc\u0631 \u0641\u0627\u06cc\u0644 \u0647\u0627\u06cc \u0627\u062c\u0631\u0627\u06cc\u06cc \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u062e\u0631\u0648\u062c\u06cc \u062f\u0631\u06cc\u0627\u0641\u062a \u06a9\u0646\u06cc\u062f.<\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta --><\/p>\n<div id=\"crayon-5e158bb11d728771402535\" 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;<br \/>\n\u009e[root@liptan-pc ~]# $CASSANDRA_HOME \/opt\/cassandra\/apache-cassandra-3.10<\/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\"><\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<p>\u009e<span class=\"crayon-sy\">[<\/span><span class=\"crayon-v\">root<\/span><span class=\"crayon-sy\">@<\/span><span class=\"crayon-v\">liptan<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">pc<\/span> <span class=\"crayon-o\">~<\/span><span class=\"crayon-sy\">]<\/span><span class=\"crayon-p\"># $CASSANDRA_HOME<\/span><\/p>\n<p><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">opt<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">cassandra<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">apache<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">cassandra<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-cn\">3.10<\/span><\/p>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p><!-- [Format Time: 0.0001 seconds] --><\/p>\n<\/div>\n<p>\u062d\u0627\u0644 \u0645\u06cc\u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u062f\u0633\u062a\u0648\u0631 \u0632\u06cc\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u0631\u0627 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u062f. \u062f\u0631 \u0635\u0648\u0631\u062a \u0627\u062e\u0637\u0627\u0631 \u062f\u0633\u062a\u0631\u0633\u06cc \u062f\u0631 \u0632\u0645\u0627\u0646 \u0627\u062c\u0631\u0627 \u0628\u0647 \u067e\u0648\u0634\u0647 data \u062f\u0631 \u0645\u062d\u0644 \u0646\u0635\u0628 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u062f\u0633\u062a\u0631\u0633\u06cc \u06a9\u0627\u0645\u0644 \u0628\u062f\u0647\u06cc\u062f.<\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta --><\/p>\n<div id=\"crayon-5e158bb11d729795375368\" class=\"crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover\">\n<p><textarea class=\"crayon-plain print-no\" readonly=\"readonly\" wrap=\"soft\" data-settings=\"dblclick\">&lt;br \/&gt;<br \/>\n\u009e$ -&gt; cassandra -f<\/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\"><\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<p>\u009e<span class=\"crayon-sy\">$<\/span> <span class=\"crayon-o\">-&gt;<\/span> <span class=\"crayon-v\">cassandra<\/span> <span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">f<\/span><\/p>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p><!-- [Format Time: 0.0001 seconds] --><\/p>\n<p>\u0628\u0647 \u0645\u0646\u0638\u0648\u0631 \u0628\u0631\u0631\u0633\u06cc \u0635\u062d\u062a \u0646\u0635\u0628 \u0648 \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc \u062f\u0633\u062a\u0648\u0631 \u0632\u06cc\u0631 \u0631\u0627 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u062f. \u062f\u0631 \u0646\u062a\u06cc\u062c\u0647 \u0627\u062c\u0631\u0627 \u0628\u0627\u06cc\u062f \u067e\u0631\u062a 9042 \u0631\u0648\u0626\u06cc\u062a \u0634\u0648\u062f.<\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta --><\/p>\n<div id=\"crayon-5e158bb11d72a459490918\" class=\"crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover\">\n<p><textarea class=\"crayon-plain print-no\" readonly=\"readonly\" wrap=\"soft\" data-settings=\"dblclick\">&lt;br \/&gt;<br \/>\n\u009e$ -&gt; netstat -ntlp<\/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\"><\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<p>\u009e<span class=\"crayon-sy\">$<\/span> <span class=\"crayon-o\">-&gt;<\/span> <span class=\"crayon-v\">netstat<\/span> <span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">ntlp<\/span><\/p>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p><!-- [Format Time: 0.0001 seconds] --><\/p>\n<p>\u0647\u0645\u0686\u0646\u06cc\u0646 \u0628\u0627\u06cc\u062f \u0628\u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u0627\u0628\u0632\u0627\u0631 nodetood \u0628\u0647 \u06a9\u0633\u0646\u062f\u0631\u0627 \u0645\u062a\u0635\u0644 \u0634\u0648\u062f \u0648 \u062d\u0627\u0644\u062a \u0622\u0646 \u0631\u0627 \u0645\u0634\u0627\u0647\u062f\u0647 \u06a9\u0646\u06cc\u062f. \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u0645\u0646\u0638\u0648\u0631 \u062f\u0633\u062a\u0648\u0631 \u0632\u06cc\u0631 \u0631\u0627 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u062f.<\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta --><\/p>\n<div id=\"crayon-5e158bb11d730347294506\" class=\"crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover\">\n<p><textarea class=\"crayon-plain print-no\" readonly=\"readonly\" wrap=\"soft\" data-settings=\"dblclick\">&lt;br \/&gt;<br \/>\n\u009e$ -&gt; nodetool status<\/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\"><\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<p>\u009e<span class=\"crayon-sy\">$<\/span> <span class=\"crayon-o\">-&gt;<\/span> <span class=\"crayon-e\">nodetool <\/span><span class=\"crayon-v\">status<\/span><\/p>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p><!-- [Format Time: 0.0001 seconds] --><\/p>\n<h2 class=\"name post-title entry-title\">\u06a9\u0627\u0631 \u0628\u0627 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u0628\u0627 \u0632\u0628\u0627\u0646 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u067e\u0631\u0633\u0648\u062c\u0648 CQL \u06cc\u0627 (Cassandra Query Language)<\/h2>\n<p>\u0628\u0639\u062f \u0627\u0632 \u0646\u0635\u0628 \u067e\u0627\u064a\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0645\u064a\u00ad\u062a\u0648\u0627\u0646 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u0645\u06a9\u0627\u0646\u0627\u062a \u0634\u0644 cli \u0628\u0627 \u0622\u0646 \u06a9\u0627\u0631 \u06a9\u0631\u062f \u06a9\u0647 \u062f\u0631 \u0627\u062f\u0627\u0645\u0647 \u062a\u0648\u0636\u064a\u062d \u062f\u0627\u062f\u0647 \u0645\u064a\u00ad\u0634\u0648\u062f. \u0628\u0631\u0627\u064a \u0648\u0635\u0644 \u0634\u062f\u0646 \u0628\u0647 \u0627\u064a\u0646 \u067e\u0627\u064a\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0627\u0632 \u062f\u0633\u062a\u0648\u0631 \u0632\u064a\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u064a\u062f \u0648 \u0627\u0644\u0628\u062a\u0647 \u0628\u0627 \u062f\u0633\u062a\u0648\u0631 EXIT \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f.<\/p>\n<p dir=\"ltr\"><strong><em>\/opt\/apache-cassandra-3.11\/bin# cqlsh localhost 9042<\/em><\/strong><\/p>\n<p>\u0647\u0645\u0627\u0646\u200c\u0637\u0648\u0631 \u06a9\u0647 \u06af\u0641\u062a\u0647 \u0634\u062f \u0628\u0631\u0627\u06cc \u0646\u0648\u0634\u062a\u0646 \u067e\u0631\u0633\u200c\u0648\u062c\u0648\u0647\u0627 \u0627\u0632 \u0632\u0628\u0627\u0646 CQL \u06a9\u0647 \u0634\u0628\u06cc\u0647 SQL \u0627\u0633\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f \u0627\u0645\u0627 \u0628\u0647 \u062f\u0644\u06cc\u0644 \u0645\u062d\u062f\u0648\u062f\u06cc\u062a\u200c\u0647\u0627\u06cc\u06ccHigh availability \u00a0\u06a9\u0647 \u0628\u0631\u0627\u06cc Cassandra \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc\u200c\u06a9\u0646\u062f \u0632\u0628\u0627\u0646 \u0622\u0646 \u0631\u0627 \u06a9\u0645\u06cc \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0627\u062f\u0647\u200c\u0627\u0646\u062f. \u062f\u0631 \u0627\u062f\u0627\u0645\u0647 \u0642\u0627\u0644\u0628 \u06a9\u0644\u06cc \u0686\u0647\u0627\u0631 \u062f\u0633\u062a\u0648\u0631 \u0627\u0635\u0644\u06cc \u0634\u0631\u062d \u062f\u0627\u062f\u0647 \u062e\u0648\u0627\u0647\u062f \u0634\u062f.<\/p>\n<ul>\n<li><strong>SELECT <\/strong><\/li>\n<li><strong>INSERT <\/strong><\/li>\n<li><strong>UPDATE <\/strong><\/li>\n<li><strong>DELETE<\/strong><\/li>\n<\/ul>\n<figure id=\"attachment_222\" class=\"wp-caption aligncenter\" aria-describedby=\"caption-attachment-222\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-222\" src=\"https:\/\/afaghhosting.net\/blog\/wp-content\/uploads\/2020\/01\/d985d8b1d988d8b1db8c-d8a8d8b1-d9bed8a7d98adaafd8a7d987-d8afd8a7d8afd987-daa9d8a7d8b3d8a7d986d8afd8b1d8a7-d988-d8a8d8b1d8b1d8b3db8c-d986-1.jpg\" alt=\"\u06a9\u0627\u0631 \u0628\u0627 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u0628\u0627 \u0632\u0628\u0627\u0646 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u067e\u0631\u0633\u0648\u062c\u0648 CQL\" width=\"486\" height=\"364\" title=\"\"><figcaption id=\"caption-attachment-222\" class=\"wp-caption-text\">\u06a9\u0627\u0631 \u0628\u0627 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u0628\u0627 \u0632\u0628\u0627\u0646 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u067e\u0631\u0633\u0648\u062c\u0648 CQL<\/figcaption><\/figure>\n<h3>\u06a9\u0627\u0631 \u0628\u0627 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u0628\u0627 \u0632\u0628\u0627\u0646 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u067e\u0631\u0633\u0648\u062c\u0648 CQL<\/h3>\n<p>\u0627\u0628\u062a\u062f\u0627 \u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u062c\u062f\u0648\u0644 (\u06cc\u0627 \u062e\u0627\u0646\u0648\u0627\u062f\u0647 \u0633\u062a\u0648\u0646) user \u0631\u0627 \u0628\u0647 \u0634\u06a9\u0644 \u0632\u06cc\u0631 \u062f\u0631\u0633\u062a \u06a9\u0631\u062f\u0647 \u0627\u06cc\u062f\u009e. \u062d\u0627\u0644\u0627 \u0686\u0647\u0627\u0631 \u0639\u0645\u0644 \u0627\u0635\u0644\u06cc \u0631\u0627 \u0631\u0648\u06cc \u0627\u06cc\u0646 \u062c\u062f\u0648\u0644 \u06cc\u0627 \u0628\u0647 \u0639\u0628\u0627\u0631\u062a\u06cc \u06a9\u0627\u0644\u0645\u0646 \u0641\u0627\u0645\u06cc\u0644\u06cc \u062a\u062d\u0642\u06cc\u0642 \u0645\u06cc\u06a9\u06cc\u0646\u0645.<\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta --><\/p>\n<div id=\"crayon-5e158bb11d734372317291\" 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;<br \/>\nCREATE TABLE user ( &nbsp; id uuid, &nbsp; first_name varchar, &nbsp; last_name varchar, &nbsp; age int, &nbsp; city varchar, PRIMARY KEY (id, city, age) );<\/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<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<p><span class=\"crayon-e\">CREATE <\/span><span class=\"crayon-e\">TABLE <\/span><span class=\"crayon-e\">user<\/span><\/p>\n<p><span class=\"crayon-sy\">(<\/span><\/p>\n<p><span class=\"crayon-e\">id <\/span><span class=\"crayon-v\">uuid<\/span><span class=\"crayon-sy\">,<\/span><\/p>\n<p><span class=\"crayon-e\">first_name <\/span><span class=\"crayon-v\">varchar<\/span><span class=\"crayon-sy\">,<\/span><\/p>\n<p><span class=\"crayon-e\">last_name <\/span><span class=\"crayon-v\">varchar<\/span><span class=\"crayon-sy\">,<\/span><\/p>\n<p><span class=\"crayon-e\">age <\/span><span class=\"crayon-t\">int<\/span><span class=\"crayon-sy\">,<\/span><\/p>\n<p><span class=\"crayon-e\">city <\/span><span class=\"crayon-v\">varchar<\/span><span class=\"crayon-sy\">,<\/span><\/p>\n<p><span class=\"crayon-e\">PRIMARY <\/span><span class=\"crayon-e\">KEY<\/span> <span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">id<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">city<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">age<\/span><span class=\"crayon-sy\">)<\/span><\/p>\n<p><span class=\"crayon-sy\">)<\/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: 0.0002 seconds] --><\/p>\n<p><strong>\u0646\u0645\u0648\u0646\u0647 \u062f\u0633\u062a\u0648\u0631\u0647\u0627\u06cc SELECT<\/strong><\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta --><\/p>\n<div id=\"crayon-5e158bb11d735282903221\" 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;<br \/>\nSELECT * FROM users; SELECT COUNT(*) FROM users; SELECT * FROM users LIMIT 25; SELECT * FROM users WHERE city = \u2018Boston\u2019&nbsp;&nbsp; (city must be defined as a primary key or index)<\/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\"><\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<p><span class=\"crayon-e \">SELECT *<\/span> <span class=\"crayon-e\">FROM <\/span><span class=\"crayon-v\">users<\/span><span class=\"crayon-sy\">;<\/span><\/p>\n<p><span class=\"crayon-e\">SELECT <\/span><span class=\"crayon-e\">COUNT<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-o\">*<\/span><span class=\"crayon-sy\">)<\/span> <span class=\"crayon-e\">FROM <\/span><span class=\"crayon-v\">users<\/span><span class=\"crayon-sy\">;<\/span><\/p>\n<p><span class=\"crayon-e \">SELECT *<\/span> <span class=\"crayon-e\">FROM <\/span><span class=\"crayon-e\">users <\/span><span class=\"crayon-i\">LIMIT<\/span> <span class=\"crayon-cn\">25<\/span><span class=\"crayon-sy\">;<\/span><\/p>\n<p><span class=\"crayon-e \">SELECT *<\/span> <span class=\"crayon-e\">FROM <\/span><span class=\"crayon-e\">users <\/span><span class=\"crayon-e\">WHERE <\/span><span class=\"crayon-v\">city<\/span> <span class=\"crayon-o\">=<\/span> \u2018<span class=\"crayon-i\">Boston<\/span>\u2019\u00a0\u00a0 <span class=\"crayon-sy\">(<\/span><span class=\"crayon-e\">city <\/span><span class=\"crayon-e\">must <\/span><span class=\"crayon-e\">be <\/span><span class=\"crayon-e\">defined <\/span><span class=\"crayon-st\">as<\/span> <span class=\"crayon-i\">a<\/span> <span class=\"crayon-e\">primary <\/span><span class=\"crayon-e\">key <\/span><span class=\"crayon-st\">or<\/span> <span class=\"crayon-v\">index<\/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: 0.0002 seconds] --><\/p>\n<p><strong>\u0646\u0645\u0648\u0646\u0647 \u062f\u0633\u062a\u0648\u0631\u0647\u0627\u06cc INSERT<\/strong><\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta --><\/p>\n<div id=\"crayon-5e158bb11d736187607658\" 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;<br \/>\nINSERT INTO users (id, first_name, last_name, age, city) VALUES (now(), \u2018John\u2019, \u2018Doe\u2019, \u201833\u2019, \u2018Seattle\u2019) INSERT INTO users (id, first_name, last_name, emails) &nbsp; VALUES(&#8216;frodo&#8217;, &#8216;Frodo&#8217;, &#8216;Baggins&#8217;, {&#8216;f@baggins.com&#8217;, &#8216;baggins@gmail.com&#8217;});<\/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\"><\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<p><span class=\"crayon-e\">INSERT <\/span><span class=\"crayon-e\">INTO <\/span><span class=\"crayon-e\">users<\/span> <span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">id<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">first_name<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">last_name<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">age<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">city<\/span><span class=\"crayon-sy\">)<\/span><\/p>\n<p><span class=\"crayon-e\">VALUES<\/span> <span class=\"crayon-sy\">(<\/span><span class=\"crayon-e\">now<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">,<\/span> \u2018<span class=\"crayon-i\">John<\/span>\u2019<span class=\"crayon-sy\">,<\/span> \u2018<span class=\"crayon-i\">Doe<\/span>\u2019<span class=\"crayon-sy\">,<\/span> \u2018<span class=\"crayon-cn\">33<\/span>\u2019<span class=\"crayon-sy\">,<\/span> \u2018<span class=\"crayon-i\">Seattle<\/span>\u2019<span class=\"crayon-sy\">)<\/span><\/p>\n<p><span class=\"crayon-e\">INSERT <\/span><span class=\"crayon-e\">INTO <\/span><span class=\"crayon-e\">users<\/span> <span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">id<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">first_name<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">last_name<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">emails<\/span><span class=\"crayon-sy\">)<\/span><\/p>\n<p><span class=\"crayon-e\">VALUES<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-s\">&#8216;frodo&#8217;<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-s\">&#8216;Frodo&#8217;<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-s\">&#8216;Baggins&#8217;<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-sy\">{<\/span><span class=\"crayon-s\">&#8216;f@baggins.com&#8217;<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-s\">&#8216;baggins@gmail.com&#8217;<\/span><span class=\"crayon-sy\">}<\/span><span class=\"crayon-sy\">)<\/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: 0.0003 seconds] --><\/p>\n<p><strong>\u0646\u0645\u0648\u0646\u0647 \u062f\u0633\u062a\u0648\u0631\u0647\u0627\u06cc UPDATE<\/strong><\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta --><\/p>\n<div id=\"crayon-5e158bb11d737540989403\" 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;<br \/>\nUPDATE users SET age = 34 WHERE id = cfd66ccc-d857-4e90-b1e5-df98a3d40cd6 UPDATE users SET age = 34, city = \u2018Portland\u2019 WHERE id = cfd66ccc-d857-4e90-b1e5-df98a3d40cd6 \u009e UPDATE users&nbsp; SET todo =&nbsp; { &#8216;2012-9-24&#8217; : &#8216;enter mordor&#8217;,&nbsp; &#8216;2012-10-2 12:00&#8217; : &#8216;throw ring into mount doom&#8217; }&nbsp; WHERE id = &#8216;frodo&#8217;;<\/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\"><\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<p><span class=\"crayon-e\">UPDATE <\/span><span class=\"crayon-e\">users <\/span><span class=\"crayon-e\">SET <\/span><span class=\"crayon-v\">age<\/span> <span class=\"crayon-o\">=<\/span> <span class=\"crayon-cn\">34<\/span> <span class=\"crayon-e\">WHERE <\/span><span class=\"crayon-v\">id<\/span> <span class=\"crayon-o\">=<\/span> <span class=\"crayon-v\">cfd66ccc<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">d857<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-cn\">4e90<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">b1e5<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-e\">df98a3d40cd6<\/span><\/p>\n<p><span class=\"crayon-e\">UPDATE <\/span><span class=\"crayon-e\">users <\/span><span class=\"crayon-e\">SET <\/span><span class=\"crayon-v\">age<\/span> <span class=\"crayon-o\">=<\/span> <span class=\"crayon-cn\">34<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-v\">city<\/span> <span class=\"crayon-o\">=<\/span> \u2018<span class=\"crayon-i\">Portland<\/span>\u2019 <span class=\"crayon-e\">WHERE <\/span><span class=\"crayon-v\">id<\/span> <span class=\"crayon-o\">=<\/span> <span class=\"crayon-v\">cfd66ccc<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">d857<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-cn\">4e90<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">b1e5<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-i\">df98a3d40cd6<\/span><\/p>\n<p>\u009e<\/p>\n<p><span class=\"crayon-e\">UPDATE <\/span><span class=\"crayon-i\">users<\/span>\u00a0 <span class=\"crayon-e\">SET <\/span><span class=\"crayon-v\">todo<\/span> <span class=\"crayon-o\">=<\/span>\u00a0 <span class=\"crayon-sy\">{<\/span> <span class=\"crayon-s\">&#8216;2012-9-24&#8217;<\/span> <span class=\"crayon-o\">:<\/span> <span class=\"crayon-s\">&#8216;enter mordor&#8217;<\/span><span class=\"crayon-sy\">,<\/span>\u00a0 <span class=\"crayon-s\">&#8216;2012-10-2 12:00&#8217;<\/span> <span class=\"crayon-o\">:<\/span> <span class=\"crayon-s\">&#8216;throw ring into mount doom&#8217;<\/span> <span class=\"crayon-sy\">}<\/span>\u00a0 <span class=\"crayon-e\">WHERE <\/span><span class=\"crayon-v\">id<\/span> <span class=\"crayon-o\">=<\/span> <span class=\"crayon-s\">&#8216;frodo&#8217;<\/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: 0.0003 seconds] --><\/p>\n<p><strong>\u0646\u0645\u0648\u0646\u0647 \u062f\u0633\u062a\u0648\u0631\u0647\u0627\u06cc DELETE<\/strong><\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta --><\/p>\n<div id=\"crayon-5e158bb11d73c788947156\" 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;<br \/>\nDELETE email, phone &nbsp;FROM users WHERE user_name = &#8216;jsmith&#8217;; DELETE todo [&#8216;2012-9-24&#8217;] FROM users WHERE id = &#8216;frodo&#8217;;<\/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\"><\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<p><span class=\"crayon-e\">DELETE <\/span><span class=\"crayon-v\">email<\/span><span class=\"crayon-sy\">,<\/span> <span class=\"crayon-i\">phone<\/span><\/p>\n<p><span class=\"crayon-e\">FROM <\/span><span class=\"crayon-e\">users<\/span><\/p>\n<p><span class=\"crayon-e\">WHERE <\/span><span class=\"crayon-v\">user_name<\/span> <span class=\"crayon-o\">=<\/span> <span class=\"crayon-s\">&#8216;jsmith&#8217;<\/span><span class=\"crayon-sy\">;<\/span><\/p>\n<p><span class=\"crayon-e\">DELETE <\/span><span class=\"crayon-i\">todo<\/span> <span class=\"crayon-sy\">[<\/span><span class=\"crayon-s\">&#8216;2012-9-24&#8217;<\/span><span class=\"crayon-sy\">]<\/span> <span class=\"crayon-e\">FROM <\/span><span class=\"crayon-e\">users<\/span><\/p>\n<p><span class=\"crayon-e\">WHERE <\/span><span class=\"crayon-v\">id<\/span> <span class=\"crayon-o\">=<\/span> <span class=\"crayon-s\">&#8216;frodo&#8217;<\/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: 0.0002 seconds] --><\/p>\n<p>\u0627\u0644\u0628\u062a\u0647 \u0642\u0628\u0644 \u0627\u0632 \u0627\u0646\u062c\u0627\u0645 \u0686\u0647\u0627\u0631 \u0639\u0645\u0644 \u0627\u0635\u0644\u06cc \u0641\u0648\u0642 \u0628\u0631 \u0631\u0648\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627 \u0645\u0627 \u0628\u0627\u06cc\u062f \u0627\u0632 \u0642\u0628\u0644 \u062c\u062f\u0627\u0648\u0644 \u06cc\u0627 \u0628\u0647 \u0639\u0628\u0627\u0631\u062a\u06cc\u00a0 KeySpace \u062e\u0648\u062f \u0631\u0627 \u0633\u0627\u062e\u062a\u0647 \u0628\u0627\u0634\u06cc\u0645 \u06a9\u0647 \u062f\u0631 \u0627\u062f\u0627\u0645\u0647 \u0628\u0627 \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u062f\u06cc\u06af\u0631 \u0628\u0647 \u0622\u0646 \u0645\u06cc\u067e\u0631\u062f\u0627\u0632\u06cc\u0645. KeySpace \u062f\u0631 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u0645\u0639\u0627\u062f\u0644 \u0645\u0648\u062c\u0648\u062f\u06cc\u062a Data Base \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0631\u0627\u0628\u0637\u0647 \u0627\u06cc \u0627\u0633\u062a. \u062a\u0645\u0627\u0645\u06cc \u062c\u062f\u0627\u0648\u0644 \u06cc\u0627 <em> COLUMN FAMILY<\/em> \u0647\u0627\u06cc \u0645\u0627 \u062f\u0631\u0648\u0646 KeySpace \u0633\u0627\u062e\u062a\u0647 \u062e\u0648\u0627\u0647\u062f \u0634\u062f. \u06cc\u06a9 \u0646\u0648\u062f \u062f\u0631 \u06cc\u06a9 \u06a9\u0644\u0627\u0633\u062a\u0631 \u0645\u06cc\u062a\u0648\u0627\u0646\u062f \u0634\u0627\u0645\u0644 \u06cc\u06a9 \u06cc\u0627 \u0628\u06cc\u0634\u062a\u0631 KeySpace \u0628\u0627\u0634\u062f \u0648\u0627\u0644\u0628\u062a\u0647 \u0628\u0647\u062a\u0631 \u0627\u0633\u062a \u06a9\u0647 \u0634\u0627\u0645\u0644 \u06cc\u0646 KeySpace \u0628\u0627\u0634\u062f. \u062f\u0633\u062a\u0648\u0631 \u0632\u064a\u0631 \u0628\u0631\u0627\u064a \u0633\u0627\u062e\u062a KeySpace \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u064a\u00ad\u0634\u0648\u062f\u060c \u062f\u0648 \u062e\u0637 \u0627\u0646\u062a\u0647\u0627\u064a\u064a \u0627\u062e\u062a\u064a\u0627\u0631\u064a\u0633\u062a \u0648 \u0628\u0627 \u0645\u0642\u0627\u062f\u06cc\u0631 \u067e\u06cc\u0634 \u0641\u0631\u0636 \u067e\u0631 \u062e\u0648\u0627\u0647\u062f \u0634\u062f:<\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta --><\/p>\n<div id=\"crayon-5e158bb11d73f873276634\" 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;<br \/>\n[default@unknown] CREATE KEYSPACE demo &#8230;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; with placement_strategy = &#8216;org.apache.cassandra.locator.SimpleStrategy&#8217; &#8230;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; and strategy_options = [{replication_factor:1}];<\/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\"><\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<p><span class=\"crayon-sy\">[<\/span><span class=\"crayon-st\">default<\/span><span class=\"crayon-sy\">@<\/span><span class=\"crayon-v\">unknown<\/span><span class=\"crayon-sy\">]<\/span> <span class=\"crayon-e\">CREATE <\/span><span class=\"crayon-e\">KEYSPACE <\/span><span class=\"crayon-i\">demo<\/span><\/p>\n<p><span class=\"crayon-sy\">.<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-sy\">.<\/span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <span class=\"crayon-e\">with <\/span><span class=\"crayon-v\">placement_strategy<\/span> <span class=\"crayon-o\">=<\/span> <span class=\"crayon-s\">&#8216;org.apache.cassandra.locator.SimpleStrategy&#8217;<\/span><\/p>\n<p><span class=\"crayon-sy\">.<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-sy\">.<\/span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <span class=\"crayon-st\">and<\/span> <span class=\"crayon-v\">strategy_options<\/span> <span class=\"crayon-o\">=<\/span> <span class=\"crayon-sy\">[<\/span><span class=\"crayon-sy\">{<\/span><span class=\"crayon-v\">replication_factor<\/span><span class=\"crayon-o\">:<\/span><span class=\"crayon-cn\">1<\/span><span class=\"crayon-sy\">}<\/span><span class=\"crayon-sy\">]<\/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: 0.0002 seconds] --><\/p>\n<p><strong>\u0646\u06a9\u062a\u0647<\/strong>: \u0647\u0646\u06af\u0627\u0645\u00a0\u06a9\u0627\u0631 \u0628\u0627 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06a9\u0627\u0631\u06a9\u062a\u0631 \u0633\u0645\u064a\u00ad\u06a9\u0627\u0644\u0646 (;) \u062f\u0631 \u0627\u0646\u062a\u0647\u0627\u064a \u0647\u0645\u0647 \u062f\u0633\u062a\u0648\u0631\u0627\u062a \u0627\u062c\u0628\u0627\u0631\u06cc \u0627\u0633\u062a \u0648 \u062f\u0631 \u063a\u06cc\u0631 \u0627\u06cc\u0646 \u0635\u0648\u0631\u062a \u062e\u0637\u0627 \u0627\u06cc\u062c\u0627\u062f \u062e\u0648\u0627\u0647\u062f \u0634\u062f.<\/p>\n<p>\u062f\u0631 \u0631\u0627\u0628\u0637\u0647 \u0628\u0627 <em>\u0639\u0628\u0627\u0631\u062a SimpleStrategy \u062f\u0631 \u067e\u0633\u062a \u0647\u0627\u06cc \u0628\u0639\u062f \u062a\u0648\u0636\u06cc\u062d \u062f\u0627\u062f\u0647 \u062e\u0648\u0627\u0647\u062f \u0634\u062f. \u0645\u0642\u062f\u0627\u0631 replication_factor \u0639\u062f\u062f 1 \u062a\u0647\u06cc\u06cc\u0646 \u0634\u062f\u0647 \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u0645\u0639\u0646\u06cc \u0648\u062c\u0648\u062f \u0641\u0642\u0637 \u06cc\u06a9 \u062a\u06a9\u0631\u0627\u0631 \u06cc\u0627 \u06a9\u067e\u06cc \u0627\u0632 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0627\u0633\u062a.<\/em><\/p>\n<p>\u062f\u0633\u062a\u0648\u0631 \u0632\u064a\u0631 \u062a\u0645\u0627\u0645\u064a KeySpace\u0647\u0627\u064a \u0645\u0648\u062c\u0648\u062f \u0631\u0627 \u0628\u0627 \u0648\u064a\u0698\u06af\u064a\u00ad\u0647\u0627\u064a\u0634\u0627\u0646 \u0646\u0634\u0627\u0646 \u0645\u064a\u00ad\u062f\u0647\u062f:<\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta --><\/p>\n<div id=\"crayon-5e158bb11d741463880182\" 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;<br \/>\n[default@unknown] DESCRIBE KEYSPACES;<\/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\"><\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<p><span class=\"crayon-sy\">[<\/span><span class=\"crayon-st\">default<\/span><span class=\"crayon-sy\">@<\/span><span class=\"crayon-v\">unknown<\/span><span class=\"crayon-sy\">]<\/span> <span class=\"crayon-e\">DESCRIBE <\/span><span class=\"crayon-v\">KEYSPACES<\/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: 0.0001 seconds] --><\/p>\n<p><em>\u00a0<\/em><\/p>\n<p>\u0628\u0631\u0627\u064a \u06a9\u0627\u0631 \u0628\u0627 KeySpace \u062e\u0627\u0635\u064a \u0628\u0627\u064a\u062f \u0627\u0632 \u062f\u0633\u062a\u0648\u0631 \u0632\u064a\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f\u0647 \u0648 \u0628\u0647 \u0622\u0646 \u0648\u0635\u0644 \u0634\u062f:<\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta --><\/p>\n<div id=\"crayon-5e158bb11d742988211702\" 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;<br \/>\n[default@unknown] USE keyspace1;<\/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\"><\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<p><span class=\"crayon-sy\">[<\/span><span class=\"crayon-st\">default<\/span><span class=\"crayon-sy\">@<\/span><span class=\"crayon-v\">unknown<\/span><span class=\"crayon-sy\">]<\/span> <span class=\"crayon-st\">USE<\/span> <span class=\"crayon-v\">keyspace1<\/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: 0.0001 seconds] --><\/p>\n<p><em>\u00a0<\/em>\u062f\u0633\u062a\u0648\u0631\u0627\u062a \u0632\u064a\u0631 \u0646\u064a\u0632 \u0628\u0631\u0627\u064a \u062d\u0630\u0641 ColumnFamily \u0648 KeySpace \u0645\u0648\u0631\u062f \u0646\u0638\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u064a\u00ad\u0634\u0648\u0646\u062f:<\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta --><\/p>\n<div id=\"crayon-5e158bb11d743678382835\" 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;<br \/>\n[default@demo] DROP COLUMN FAMILY users; [default@demo] DROP KEYSPACE demo;<\/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\"><\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<p><span class=\"crayon-sy\">[<\/span><span class=\"crayon-st\">default<\/span><span class=\"crayon-sy\">@<\/span><span class=\"crayon-v\">demo<\/span><span class=\"crayon-sy\">]<\/span> <span class=\"crayon-e\">DROP <\/span><span class=\"crayon-e\">COLUMN <\/span><span class=\"crayon-e\">FAMILY <\/span><span class=\"crayon-v\">users<\/span><span class=\"crayon-sy\">;<\/span><\/p>\n<p><span class=\"crayon-sy\">[<\/span><span class=\"crayon-st\">default<\/span><span class=\"crayon-sy\">@<\/span><span class=\"crayon-v\">demo<\/span><span class=\"crayon-sy\">]<\/span> <span class=\"crayon-e\">DROP <\/span><span class=\"crayon-e\">KEYSPACE <\/span><span class=\"crayon-v\">demo<\/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: 0.0002 seconds] --><\/p>\n<p>\u0647\u0631 \u06a9\u062f\u0627\u0645 \u0627\u0632 \u062f\u0633\u062a\u0648\u0631\u0627\u062a \u0628\u0627\u0644\u0627 \u0631\u0627 \u0645\u064a\u00ad\u062a\u0648\u0627\u0646 \u0627\u0632 \u0637\u0631\u064a\u0642 \u0641\u0627\u064a\u0644 \u0648 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062f\u0633\u062a\u0648\u0631 \u0632\u064a\u0631 \u0646\u064a\u0632 \u0627\u062c\u0631\u0627 \u06a9\u0631\u062f:<\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta --><\/p>\n<div id=\"crayon-5e158bb11d744761764243\" 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;<br \/>\n\/opt\/apache-cassandra-1.0.0\/bin# cqlsh 127.0.0.1 9042 -f conf\/schema-sample.txt<\/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\"><\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\">\n<p><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">opt<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">apache<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">cassandra<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-cn\">1.0.0<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">bin<\/span><span class=\"crayon-p\"># cqlsh 127.0.0.1 9042 -f conf\/schema-sample.txt<\/span><\/p>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p><!-- [Format Time: 0.0001 seconds] --><\/p>\n<p><strong>\u0646\u06a9\u062a\u0647<\/strong>: \u0647\u0646\u06af\u0627\u0645 \u06a9\u0627\u0631 \u0628\u0627 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06a9\u0627\u0631\u06a9\u062a\u0631 \u0633\u0645\u064a\u00ad\u06a9\u0627\u0644\u0646 (;) \u062f\u0631 \u0627\u0646\u062a\u0647\u0627\u064a \u0647\u0645\u0647 \u062f\u0633\u062a\u0648\u0631\u0627\u062a \u0627\u062c\u0628\u0627\u0631\u06cc \u0627\u0633\u062a \u0648 \u062f\u0631 \u063a\u06cc\u0631 \u0627\u06cc\u0646 \u0635\u0648\u0631\u062a \u062e\u0637\u0627 \u0627\u06cc\u062c\u0627\u062f \u062e\u0648\u0627\u0647\u062f \u0634\u062f.<\/p>\n<\/div>\n<p>\u0645\u062f\u06cc\u0631\u06cc\u062a \u0633\u0631\u0648\u0631 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0648 \u0645\u0634\u0627\u0648\u0631\u0647 &#8211; \u062b\u0628\u062a \u062f\u0627\u0645\u0646\u0647<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u067e\u0627\u064a\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u06cc\u06a9 \u0633\u06cc\u0633\u062a\u0645 \u0627\u0646\u0628\u0627\u0631\u200c\u0647 \u062f\u0627\u062f\u0647 \u06cc \u062a\u0648\u0632\u06cc\u0639\u200c\u0634\u062f\u0647 \u0648 \u06a9\u0627\u0645\u0644\u0627\u064b \u0645\u062a\u0646 \u0628\u0627\u0632 \u0648 \u0631\u0627\u06cc\u06af\u0627\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0639\u0638\u06cc\u0645 \u062a\u0648\u0644\u06cc\u062f \u0634\u062f\u0647 \u0627\u0633\u062a. \u06a9\u0627\u0633\u0627\u0646\u062f\u0631\u0627 \u0627\u06cc\u0646 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0631\u0627 \u062f\u0631 \u0628\u06cc\u0646 \u0633\u0631\u0648\u0631\u0647\u0627\u06cc \u0628\u0633\u06cc\u0627\u0631\u06cc \u06af\u0633\u062a\u0631\u0634\u200c \u062f\u0627\u062f\u0647 \u0648 \u0627\u0646\u0639\u0637\u0627\u0641\u200c\u067e\u0630\u06cc\u0631\u06cc \u0632\u06cc\u0627\u062f\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u062a\u0648\u0632\u06cc\u0639 \u062f\u0627\u062f\u0647 \u0628\u0647 \u0634\u0645\u0627 \u0645\u06cc\u200c\u062f\u0647\u062f. \u0647\u0645\u0686\u0646\u06cc\u0646 \u0634\u0645\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0638\u0631\u0641\u06cc\u062a \u0646\u06af\u0647\u062f\u0627\u0631\u0646\u062f\u0647 \u062f\u0627\u062f\u0647\u200c\u06cc \u062e\u0648\u062f \u0631\u0627 \u0628\u0647 &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-13719","post","type-post","status-publish","format-standard","hentry","category-bigdata"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/13719","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=13719"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/13719\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=13719"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=13719"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=13719"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}