{"id":7517,"date":"2020-08-17T17:02:15","date_gmt":"2020-08-17T12:32:15","guid":{"rendered":"https:\/\/maktabkhooneh.org\/mag\/?p=7517"},"modified":"2026-04-06T22:38:50","modified_gmt":"2026-04-06T19:08:50","slug":"learn-sql-language-in-database","status":"publish","type":"post","link":"https:\/\/maktabkhooneh.org\/mag\/learn-sql-language-in-database\/","title":{"rendered":"\u0622\u0645\u0648\u0632\u0634 \u0632\u0628\u0627\u0646 SQL \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\"><span style=\"font-size: 16px;\">\u0632\u0628\u0627\u0646 <span style=\"color: #000000;\">SQL \u0686\u06cc\u0633\u062a<\/span><\/span><\/h3>\n\n\n\n<p><span style=\"color: #000000; font-size: 16px;\">SQL Structured Query Language \u06cc\u06a9 \u0632\u0628\u0627\u0646 \u062e\u0627\u0635\u06cc \u0645\u06cc\u200c\u0628\u0627\u0634\u062f \u06a9\u0647 \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0642\u0631\u0627\u0631 \u0645\u06cc\u200c\u06af\u06cc\u0631\u062f \u0648 \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u062f\u0631 \u06cc\u06a9 \u0633\u06cc\u0633\u062a\u0645 \u0645\u062f\u06cc\u0631\u06cc\u062a \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0631\u0627\u0628\u0637\u0647\u200c\u0627\u06cc (RDBMS) \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0645\u06cc\u200c\u0634\u0648\u0646\u062f\u060c \u06cc\u0627 \u0628\u0631\u0627\u06cc \u067e\u0631\u062f\u0627\u0632\u0634 \u062c\u0631\u06cc\u0627\u0646 \u062f\u0631 \u06cc\u06a9 \u0633\u06cc\u0633\u062a\u0645 \u0645\u062f\u06cc\u0631\u06cc\u062a \u062c\u0631\u06cc\u0627\u0646 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u0631\u0627\u0628\u0637\u0647\u200c\u0627\u06cc (RDSMS) \u0637\u0631\u0627\u062d\u06cc \u0634\u062f\u0647 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0628\u0647 \u0648\u06cc\u0698\u0647 \u062f\u0631 \u067e\u0631\u062f\u0627\u0632\u0634 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u0633\u0627\u062e\u062a \u06cc\u0627\u0641\u062a\u0647\u060c \u06cc\u0639\u0646\u06cc \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0631\u0648\u0627\u0628\u0637 \u0628\u06cc\u0646 \u0645\u0648\u062c\u0648\u062f\u06cc\u062a\u200c\u0647\u0627 \u0648 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627 \u0631\u0627 \u062f\u0631 \u0628\u0631\u0645\u06cc\u200c\u06af\u06cc\u0631\u0646\u062f\u060c \u0628\u0633\u06cc\u0627\u0631 \u0645\u0641\u06cc\u062f \u0627\u0633\u062a.<\/span><\/p>\n\n\n\n<p><span style=\"color: #000000; font-size: 16px;\"> \u0627\u06cc\u0646 \u0632\u0628\u0627\u0646 \u06cc\u06a9\u06cc \u0627\u0632 \u0627\u0648\u0644\u06cc\u0646 \u0632\u0628\u0627\u0646\u200c\u0647\u0627\u06cc \u062a\u062c\u0627\u0631\u06cc \u0628\u0648\u062f \u06a9\u0647 \u0627\u0632 \u0645\u062f\u0644 \u0631\u0627\u0628\u0637\u0647 Edgar F.Codd \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f\u0647 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0632\u0628\u0627\u0646 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06af\u0633\u062a\u0631\u062f\u0647\u200c\u062a\u0631\u06cc\u0646 \u0632\u0628\u0627\u0646 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/span><\/p>\n\n\n\n<p><span style=\"color: #000000; font-size: 16px;\">SQL \u062f\u0631 \u0633\u0627\u0644 \u06f1\u06f9\u06f8\u06f6 \u0628\u0647 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f\u06cc \u0627\u0632 \u0645\u0648\u0633\u0633\u0647 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u0645\u0644\u06cc \u0622\u0645\u0631\u06cc\u06a9\u0627 (ANSI) \u0648 \u0633\u0627\u0632\u0645\u0627\u0646 \u0628\u06cc\u0646 \u0627\u0644\u0645\u0644\u0644\u06cc \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u0633\u0627\u0632\u06cc (ISO) \u062f\u0631 \u0633\u0627\u0644 \u06f1\u06f9\u06f8\u06f7 \u062a\u0628\u062f\u06cc\u0644 \u0634\u062f. \u0627\u0632 \u0622\u0646 \u0632\u0645\u0627\u0646 \u0627\u06cc\u0646 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u0645\u0648\u0631\u062f \u0628\u0627\u0632\u0628\u06cc\u0646\u06cc \u0642\u0631\u0627\u0631 \u06af\u0631\u0641\u062a\u0647 \u0627\u0633\u062a \u062a\u0627 \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u06cc \u0627\u0632 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0628\u0632\u0631\u06af\u062a\u0631 \u0631\u0627 \u0646\u06cc\u0632 \u0634\u0627\u0645\u0644 \u0634\u0648\u062f. \u0628\u0627 \u0648\u062c\u0648\u062f \u0648\u062c\u0648\u062f \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f\u0647\u0627\u060c \u0627\u06a9\u062b\u0631 \u06a9\u062f\u0647\u0627\u06cc SQL \u062d\u062f\u0627\u0642\u0644 \u0642\u0628\u0644 \u0627\u0632 \u0627\u0646\u062a\u0642\u0627\u0644 \u0628\u0647 \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647\u060c \u062d\u062f\u0627\u0642\u0644 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a\u06cc \u062f\u0627\u0631\u0646\u062f.<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1000\" height=\"333\" src=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2020\/08\/learn-sql-language-in-database-2.jpg\" alt=\"\u0632\u0628\u0627\u0646 SQL \u0686\u06cc\u0633\u062a\" class=\"wp-image-7524\" title=\"\" srcset=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2020\/08\/learn-sql-language-in-database-2.jpg 1000w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2020\/08\/learn-sql-language-in-database-2-300x100.jpg.webp 300w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2020\/08\/learn-sql-language-in-database-2-768x256.jpg.webp 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-size: 16px;\">\u0627\u0645\u06a9\u0627\u0646\u0627\u062a <a href=\"https:\/\/maktabkhooneh.org\/mag\/learn-sql-language-in-database\/\"><span style=\"color: #000000;\">\u0632\u0628\u0627\u0646 SQL \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647<\/span><\/a><\/span><\/h3>\n\n\n\n<p><span style=\"color: #000000; font-size: 16px;\">\u0632\u0628\u0627\u0646 SQL \u0627\u06cc\u0646 \u0627\u0645\u06a9\u0627\u0646 \u0631\u0627 \u0628\u0647 \u0634\u0645\u0627 \u0645\u06cc \u062f\u0647\u062f \u062a\u0627 \u0628\u062a\u0648\u0627\u0646\u06cc\u062f \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647\u200c\u0647\u0627\u06cc \u062f\u0627\u062f\u0647 \u062c\u0633\u062a \u0648 \u062c\u0648 \u06a9\u0646\u06cc\u062f \u0648 \u06cc\u0627 \u0639\u0645\u0644\u06cc\u0627\u062a\u200c\u0647\u0627\u06cc\u06cc \u0631\u0627 \u0628\u0631 \u0631\u0648\u06cc \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f. \u0627\u06cc\u0646 \u0639\u0645\u0644\u06cc\u0627\u062a\u200c\u0647\u0627 \u0627\u0632 \u0627\u0646\u0648\u0627\u0639 \u0645\u062e\u062a\u0644\u0641 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0646 \u0627\u0637\u0644\u0627\u0639\u0627\u062a\u060c \u067e\u0627\u06a9 \u06a9\u0631\u062f\u0646 \u0622\u0646\u200c\u0647\u0627 \u0648 \u06cc\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u0648 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0645\u06cc \u0628\u0627\u0634\u062f. \u0634\u0645\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u06cc\u0646 \u0632\u0628\u0627\u0646 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u062f\u0631 \u062f\u0627\u062e\u0644 \u06cc\u06a9 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0634\u0631\u0627\u06cc\u0637\u06cc \u06a9\u0647 \u0645\u0634\u062e\u0635 \u0645\u06cc \u06a9\u0646\u06cc\u062f\u060c \u062c\u0633\u062a \u0648 \u062c\u0648 \u06a9\u0646\u06cc\u062f \u0648 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632\u062a\u0627\u0646 \u0631\u0627 \u0645\u0634\u0627\u0647\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/span><\/p>\n\n\n\n<p><span style=\"color: #000000; font-size: 16px;\">\u062f\u0631 \u0628\u0627\u0644\u0627\u062a\u0631 \u0627\u0634\u0627\u0631\u0647 \u06a9\u0631\u062f\u06cc\u0645 \u06a9\u0647 \u0627\u0632 \u0627\u06cc\u0646 \u0632\u0628\u0627\u0646 \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u0631\u0627\u0628\u0637\u0647\u200c\u0627\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f\u200c. \u0627\u06af\u0631 \u0628\u0631\u0627\u06cc\u062a\u0627\u0646 \u0633\u0648\u0627\u0644 \u0627\u0633\u062a \u06a9\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647\u200c\u06cc \u0631\u0627\u0628\u0637\u0647\u200c\u0627\u06cc \u0686\u06cc\u0633\u062a\u060c \u0646\u06cc\u0627\u0632 \u0627\u0633\u062a \u06a9\u0647 \u0628\u062f\u0627\u0646\u06cc\u062f \u0645\u0627 \u0627\u0646\u0648\u0627\u0639 \u067e\u0627\u06cc\u06af\u0627\u0647\u200c\u0647\u0627 \u0648 \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc \u062f\u0627\u062f\u0647 \u062f\u0627\u0631\u06cc\u0645 \u06a9\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u0631\u0627\u0628\u0637\u0647\u200c\u0627\u06cc \u06cc\u06a9\u06cc \u0627\u0632 \u0622\u0646\u200c\u0647\u0627\u0633\u062a.<\/span><\/p>\n\n\n<div class=\"jet-listing-grid--50192\" style=\"\"><style><\/style><section class=\"zht-related-post\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Article\" role=\"region\"\n  aria-label=\"Related article\">\n  <div class=\"zht-related-post-section-label\">\n    \u0645\u0637\u0627\u0644\u0628 \u0645\u0631\u062a\u0628\u0637\n  <\/div>\n  <img decoding=\"async\" width=\"300\" height=\"171\" data-src=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2019\/11\/Screenshot_2-300x171.jpg.webp\" class=\"attachment-medium size-medium wp-post-image lazyload\" alt=\"\u0622\u0645\u0648\u0632\u0634 \u062a\u0647\u06cc\u0647 \u0628\u06a9 \u0622\u067e \u0627\u0632 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0648\u0631\u062f\u067e\u0631\u0633\" data-srcset=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2019\/11\/Screenshot_2-300x171.jpg.webp 300w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2019\/11\/Screenshot_2.jpg 762w\" data-sizes=\"(max-width: 300px) 100vw, 300px\" title=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 300px; --smush-placeholder-aspect-ratio: 300\/171;\">\n  <a href=\"https:\/\/maktabkhooneh.org\/mag\/backup-training-from-wordpress-database\/\" class=\"zht-related-post-title\"\n    itemprop=\"headline\" target=\"_blank\">\u0622\u0645\u0648\u0632\u0634 \u062a\u0647\u06cc\u0647 \u0628\u06a9 \u0622\u067e \u0627\u0632 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0648\u0631\u062f\u067e\u0631\u0633<\/a>\n<\/section><\/div>\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-size: 16px;\">\u0645\u0646\u0638\u0648\u0631 \u0627\u0632 <span style=\"color: #000000;\">\u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u0631\u0627\u0628\u0637\u0647\u200c\u0627\u06cc \u0686\u06cc\u0633\u062a<\/span><\/span><\/h3>\n\n\n\n<p><span style=\"color: #000000; font-size: 16px;\">\u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u0631\u0627\u0628\u0637\u0647\u200c\u0627\u06cc \u06cc\u0627 \u0627\u0635\u0637\u0644\u0627\u062d\u0627 Relational Database \u0628\u0631\u0627\u06cc \u0646\u062e\u0633\u062a\u06cc\u0646 \u0628\u0627\u0631 \u062f\u0631 \u0633\u0627\u0644 \u06f1\u06f9\u06f7\u06f0 \u062a\u0648\u0633\u0637 \u06a9\u0627\u062f (codd) \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062f\u0644 \u0648 \u0631\u0648\u0634\u06cc \u062c\u0647\u062a \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u0648 \u0630\u062e\u06cc\u0631\u0647 \u06a9\u0631\u062f\u0646 \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0645\u0639\u0631\u0641\u06cc \u0634\u062f. \u0642\u0628\u0644 \u0627\u0632 \u0622\u0646\u06a9\u0647 \u0645\u062f\u0644 \u0631\u0627\u0628\u0637\u0647\u200c\u0627\u06cc \u0645\u0639\u0631\u0641\u06cc \u0634\u0648\u062f\u060c \u0645\u062f\u0644 \u0634\u0628\u06a9\u0647\u200c\u0627\u06cc \u0627\u0632 \u062c\u0645\u0644\u0647 \u0645\u062f\u0644\u200c\u0647\u0627\u06cc \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0628\u0648\u062f.<\/span><\/p>\n\n\n\n<p><span style=\"color: #000000; font-size: 16px;\"> \u062f\u0631 \u0645\u062f\u0644 \u0634\u0628\u06a9\u0647\u200c\u0627\u06cc \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u0645\u062c\u0645\u0648\u0639\u0647\u200c\u0627\u06cc \u0627\u0632 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0636\u0628\u0637 \u0634\u062f\u0647 \u06cc\u0627 \u0627\u0635\u0637\u0644\u0627\u062d\u0627 \u0631\u06a9\u0648\u0631\u062f (recode) \u062a\u0639\u0631\u06cc\u0641 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f \u0648 \u0631\u0648\u0627\u0628\u0637 \u0628\u06cc\u0646 \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u0644\u06cc\u0646\u06a9 \u0645\u06cc \u0628\u0627\u0634\u062f\u060c \u0627\u0645\u0627 \u062f\u0631 \u0645\u062f\u0644 \u0631\u0627\u0628\u0637\u0647\u200c\u0627\u06cc \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0648 \u0631\u0648\u0627\u0628\u0637 \u0628\u06cc\u0646 \u0622\u0646\u200c\u0647\u0627 \u062a\u0648\u0633\u0637 \u0645\u062c\u0645\u0648\u0639\u0647\u200c\u0627\u06cc \u0627\u0632 \u0631\u0648\u0627\u0628\u0637\u06cc \u06a9\u0647 \u062f\u0631 \u0642\u0627\u0644\u0628 \u06cc\u06a9 \u062c\u062f\u0648\u0644 \u0645\u06cc\u200c\u0628\u0627\u0634\u0646\u062f\u060c \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 \u0627\u0633\u062a. \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0645\u062f\u0644 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u0631\u0627\u0628\u0637\u0647\u200c\u0627\u06cc \u0639\u0645\u0644 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f \u0631\u0627 \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u067e\u0627\u06cc\u06af\u0627\u0647\u200c\u0647\u0627\u06cc \u062f\u0627\u062f\u0647\u200c\u0627\u06cc \u0631\u0627\u0628\u0637\u0647\u200c\u0627\u06cc \u0645\u06cc \u06af\u0648\u06cc\u0646\u062f.<\/span><\/p>\n\n\n\n<p><span style=\"color: #000000; font-size: 16px;\"> \u062f\u0631 \u0627\u06cc\u0646 \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627 \u062a\u0645\u0627\u0645\u06cc \u0627\u0639\u0645\u0627\u0644 \u0642\u0627\u0628\u0644 \u0627\u0646\u062c\u0627\u0645 \u0628\u0631 \u0631\u0648\u06cc \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0627\u0632 \u062c\u0645\u0644\u0647 \u0646\u0638\u0627\u0631\u062a\u060c \u06a9\u0646\u062a\u0631\u0644\u060c \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u060c \u0627\u0645\u0646\u06cc\u062a \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0648 \u0645\u062c\u0648\u0632\u200c\u0647\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631 \u062f\u0631 \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u062a\u0648\u0633\u0637 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0627\u06cc\u0646 \u0646\u0648\u0639 \u0627\u0632 \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627 \u0635\u0648\u0631\u062a \u0645\u06cc\u200c\u06af\u06cc\u0631\u062f.<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" width=\"820\" height=\"350\" data-src=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2020\/08\/learn-sql-language-in-database-1.jpg\" alt=\"\u0645\u0646\u0638\u0648\u0631 \u0627\u0632 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u0631\u0627\u0628\u0637\u0647\u200c\u0627\u06cc \u0686\u06cc\u0633\u062a\" class=\"wp-image-7522 lazyload\" title=\"\" data-srcset=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2020\/08\/learn-sql-language-in-database-1.jpg 820w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2020\/08\/learn-sql-language-in-database-1-300x128.jpg 300w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2020\/08\/learn-sql-language-in-database-1-768x328.jpg.webp 768w\" data-sizes=\"(max-width: 820px) 100vw, 820px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 820px; --smush-placeholder-aspect-ratio: 820\/350;\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span style=\"font-size: 16px; color: #000000;\">\u0645\u0641\u0627\u0647\u06cc\u0645 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0631\u0627\u0628\u0637\u0647 \u0627\u06cc<\/span><\/h3>\n\n\n\n<p><span style=\"font-size: 16px;\"><span style=\"color: #000000;\">\u062c\u062f\u0627\u0648\u0644 \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0631\u0627\u0628\u0637\u0647 \u0627\u06cc: <\/span><span style=\"color: #000000;\">\u062c\u062f\u0627\u0648\u0644 \u062f\u0631 \u0648\u0627\u0642\u0639 \u0634\u0627\u0647\u0631\u06af \u062d\u06cc\u0627\u062a\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u0631\u0627\u0628\u0637\u0647\u200c\u0627\u06cc \u0645\u06cc\u200c\u0628\u0627\u0634\u0646\u062f. \u062a\u0645\u0627\u0645\u06cc \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u062f\u0631 \u062f\u0627\u062e\u0644 \u062c\u062f\u0627\u0648\u0644 \u06a9\u0647 \u0634\u0627\u0645\u0644 \u0633\u062a\u0648\u0646 \u0648 \u0633\u0637\u0631 \u0645\u06cc\u200c\u0628\u0627\u0634\u0646\u062f \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. <\/span><\/span><\/p>\n\n\n\n<p><span style=\"color: #000000; font-size: 16px;\">\u0627\u06cc\u0646 \u062c\u062f\u0627\u0648\u0644 \u0627\u0632 \u06f1 \u062a\u0627 n \u062a\u0627 \u0633\u0637\u0631 \u0648 \u0633\u062a\u0648\u0646 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u0646\u062f (\u062a\u0648\u062c\u0647 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u062f\u0631 \u062a\u0639\u062f\u0627\u062f \u0633\u062a\u0648\u0646\u200c\u0647\u0627 \u06af\u0627\u0647\u0627 \u0645\u062d\u062f\u0648\u062f\u06cc\u062a \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u0627\u0645\u0627 \u0645\u062d\u062f\u0648\u062f\u06cc\u062a\u06cc \u062f\u0631 \u062a\u0639\u062f\u0627\u062f \u0633\u0637\u0631\u200c\u0647\u0627 \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0631\u062f). \u062f\u0631 \u0648\u0627\u0642\u0639 \u0647\u0631 \u0633\u062a\u0648\u0646\u200c \u062f\u0631 \u062f\u0627\u062e\u0644 \u0627\u06cc\u0646 \u0646\u0648\u0639 \u0627\u0632 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0631\u0627 \u06cc\u06a9 \u0641\u06cc\u0644\u062f \u0648 \u0647\u0631 \u0633\u0637\u0631 \u0631\u0627 \u06cc\u06a9 \u0631\u06a9\u0648\u0631\u062f \u06a9\u0647 \u0634\u0627\u0645\u0644 \u0641\u06cc\u0644\u062f\u200c\u0647\u0627\u06cc \u0645\u0648\u0631\u062f \u0646\u0638\u0631 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f \u0631\u0627 \u062a\u0634\u06a9\u06cc\u0644 \u0645\u06cc\u200c\u062f\u0647\u0646\u062f.<\/span><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span style=\"color: #000000; font-size: 16px;\">\u0645\u0648\u062c\u0648\u062f\u06cc\u062a<\/span><\/h4>\n\n\n\n<p><span style=\"color: #000000; font-size: 16px;\">\u062f\u0631 \u062f\u0627\u062e\u0644 \u067e\u0627\u06cc\u06af\u0627\u0647\u200c \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u0631\u0627\u0628\u0637\u0647\u200c\u0627\u06cc \u0645\u0641\u0647\u0648\u0645\u06cc \u0628\u0647 \u0646\u0627\u0645 \u0645\u0648\u062c\u0648\u062f\u06cc\u062a \u0648 \u06cc\u0627 entity \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f. \u0645\u0648\u062c\u0648\u062f\u06cc\u062a\u200c\u0647\u0627 \u062f\u0631 \u06cc\u06a9 \u06a9\u0646\u0627\u0631 \u06cc\u06a9\u062f\u06cc\u06af\u0631 \u06cc\u06a9 \u0634\u06cc (object) \u0631\u0627 \u062f\u0631 \u062f\u0627\u062e\u0644 \u0627\u06cc\u0646 \u0633\u06cc\u0633\u062a\u0645 \u062a\u0634\u06a9\u06cc\u0644 \u0645\u06cc\u200c\u062f\u0647\u0646\u062f. \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0644 \u0645\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0646\u0648\u0627\u0639 \u0634\u06cc \u062f\u0627\u0646\u0634\u06af\u0627\u0647\u060c \u0645\u062f\u0631\u0633\u0647\u060c \u0633\u0627\u0632\u0645\u0627\u0646\u060c \u0634\u0647\u0631\u060c \u06a9\u0634\u0648\u0631\u060c \u0634\u063a\u0644 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u0645 \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0647\u0631 \u06cc\u06a9 \u0627\u0632 \u0627\u06cc\u0646\u0627 \u0645\u0648\u062c\u0648\u062f\u06cc\u062a\u200c\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641\u06cc \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 \u0628\u0627\u0634\u062f. <\/span><\/p>\n\n\n\n<p><span style=\"color: #000000; font-size: 16px;\">\u0645\u062b\u0644\u0627 \u0628\u0631\u0627\u06cc \u06cc\u06a9 \u0645\u062f\u0631\u0633\u0647 \u0645\u0648\u062c\u0648\u062f\u06cc\u062a \u0647\u0627\u06cc \u0645\u0639\u0644\u0645\u060c \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632\u060c \u0645\u062f\u06cc\u0631\u060c \u06a9\u0644\u0627\u0633 \u0648 \u0645\u0648\u0627\u0631\u062f\u06cc \u0627\u0632 \u0627\u06cc\u0646 \u062f\u0633\u062a \u0642\u0627\u0628\u0644 \u062a\u0639\u0631\u06cc\u0641 \u0645\u06cc \u0628\u0627\u0634\u0646\u062f. \u0647\u0631 \u0645\u0648\u062c\u0648\u062f\u06cc\u062a \u062f\u0631 \u062f\u0627\u062e\u0644 \u06cc\u06a9 \u0634\u06cc \u062f\u0631 \u0642\u0627\u0644\u0628 \u06cc\u06a9 \u062c\u062f\u0648\u0644 \u062a\u0639\u0631\u06cc\u0641 \u0645\u06cc \u0634\u0648\u062f. \u0645\u062b\u0644\u0627 \u062f\u0631 \u0647\u0645\u06cc\u0646 \u0645\u062b\u0627\u0644\u06cc \u06a9\u0647 \u0645\u0637\u0631\u062d \u0634\u062f\u060c \u06cc\u06a9 \u062f\u0627\u0646\u0634 \u0622\u0645\u0648\u0632\u0634 \u062e\u0648\u062f \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627 (attribute) \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641\u06cc \u0645\u062b\u0644 \u0648\u0632\u0646\u060c \u0642\u062f\u060c \u062c\u0646\u0633\u06cc\u062a\u060c \u06af\u0631\u0648\u0647 \u062e\u0648\u0646\u06cc \u0648 &#8230; \u0631\u0627 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f.<\/span><\/p>\n\n\n<div class=\"jet-listing-grid--50192\" style=\"\"><section class=\"zht-related-post\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Article\" role=\"region\"\n  aria-label=\"Related article\">\n  <div class=\"zht-related-post-section-label\">\n    \u0645\u0637\u0627\u0644\u0628 \u0645\u0631\u062a\u0628\u0637\n  <\/div>\n  <img decoding=\"async\" width=\"300\" height=\"200\" data-src=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2019\/10\/wordpress-blog-300x200.jpg.webp\" class=\"attachment-medium size-medium wp-post-image lazyload\" alt=\"\u0646\u062d\u0648\u0647\u200c\u06cc \u0633\u0627\u062e\u062a \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u062f\u0631 \u0648\u0631\u062f\u067e\u0631\u0633\" data-srcset=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2019\/10\/wordpress-blog-300x200.jpg.webp 300w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2019\/10\/wordpress-blog-768x511.jpg.webp 768w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2019\/10\/wordpress-blog.jpg 1000w\" data-sizes=\"(max-width: 300px) 100vw, 300px\" title=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 300px; --smush-placeholder-aspect-ratio: 300\/200;\">\n  <a href=\"https:\/\/maktabkhooneh.org\/mag\/build-a-database-in-wordpress\/\" class=\"zht-related-post-title\"\n    itemprop=\"headline\" target=\"_blank\">\u0646\u062d\u0648\u0647\u200c\u06cc \u0633\u0627\u062e\u062a \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u062f\u0631 \u0648\u0631\u062f\u067e\u0631\u0633<\/a>\n<\/section><\/div>\n\n\n<p><span style=\"color: #000000; font-size: 16px;\">\u0627\u06cc\u0646 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627 \u062f\u0631 \u0648\u0627\u0642\u0639 \u0647\u0645\u0627\u0646 \u0641\u06cc\u0644\u062f\u200c\u0647\u0627 \u062f\u0631 \u0633\u062a\u0648\u0646\u200c\u0647\u0627 \u0645\u06cc \u0628\u0627\u0634\u062f \u06a9\u0647 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0627\u06cc\u0646 \u0641\u06cc\u0644\u062f\u200c\u0647\u0627 \u062f\u0631 \u062f\u0627\u062e\u0644 \u0647\u0631 \u0633\u0637\u0631 \u0645\u062e\u0635\u0648\u0635 \u0647\u0631 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632 \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. \u0628\u0647 \u0647\u0645\u06cc\u0646 \u062a\u0631\u062a\u06cc\u0628 \u0628\u0631\u0627\u06cc \u0628\u0627\u0642\u06cc \u0645\u0648\u062c\u0648\u062f\u06cc\u062a\u200c\u0647\u0627 \u0646\u06cc\u0632 \u062c\u062f\u0627\u0648\u0644 \u0628\u0627 \u0641\u06cc\u0644\u062f\u200c\u0647\u0627\u06cc \u0645\u062e\u0635\u0648\u0635 \u0628\u0647 \u062e\u0648\u062f \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u0646\u062f. <\/span><\/p>\n\n\n\n<p><span style=\"color: #000000; font-size: 16px;\">\u0627\u06cc\u0646 \u062c\u062f\u0627\u0648\u0644 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u062f\u0631 \u0641\u06cc\u0644\u062f\u200c\u0647\u0627\u06cc\u06cc \u0646\u06cc\u0632 \u0645\u0634\u062a\u0631\u06a9 \u0628\u0627\u0634\u0646\u062f \u0645\u062b\u0644\u0627 \u06cc\u06a9 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0686\u0646\u062f \u0645\u0639\u0644\u0645 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f \u0648 \u06cc\u06a9 \u0645\u0639\u0644\u0645 \u0646\u06cc\u0632 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0686\u0646\u062f \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f \u0648 \u0627\u06cc\u0646 \u062f\u0648 \u062f\u0631 \u06cc\u06a9 \u0641\u06cc\u0644\u062f \u0628\u0627 \u06cc\u06a9\u062f\u06cc\u06af\u0631 \u0627\u0634\u062a\u0631\u0627\u06a9 \u0648\u06cc\u0698\u06af\u06cc \u062e\u0648\u0627\u0647\u0646\u062f \u062f\u0627\u0634\u062a. \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0633\u0627\u0644\u0647 \u062f\u0631 \u0642\u0633\u0645\u062a \u0628\u0639\u062f\u06cc \u06a9\u0647 \u06a9\u0644\u06cc\u062f\u200c\u0647\u0627 \u0645\u06cc\u200c\u0628\u0627\u0634\u0646\u062f\u060c \u0645\u06cc\u200c\u067e\u0631\u062f\u0627\u0632\u0645.<\/span><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span style=\"color: #000000; font-size: 16px;\">\u06a9\u0644\u06cc\u062f \u0627\u0635\u0644\u06cc (primary key)<\/span><\/h4>\n\n\n\n<p><span style=\"color: #000000; font-size: 16px;\">\u062f\u0631 \u06cc\u06a9 \u062c\u062f\u0648\u0644 \u062f\u0631 \u06cc\u06a9 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0631\u0627\u0628\u0637\u0647\u200c\u0627\u06cc\u060c \u0634\u0645\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u06cc\u06a9 \u0633\u062a\u0648\u0646 \u0631\u0627 \u0628\u0627 \u0645\u0642\u0627\u062f\u06cc\u0631 \u062e\u0627\u0635 \u0648 \u06cc\u06a9\u062a\u0627 \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0646\u06cc\u062f. \u0645\u062b\u0627\u0644 \u0642\u0628\u0644 \u0631\u0627 \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f\u060c \u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0642\u0635\u062f \u062f\u0627\u0631\u06cc\u0645 \u062a\u0627 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0631 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632 \u0631\u0627 \u0628\u0627 \u06cc\u06a9 \u0645\u0634\u062e\u0635\u0647\u200c\u06cc \u062e\u0627\u0635 \u0627\u0632 \u0628\u0642\u06cc\u0647 \u0645\u062a\u0645\u0627\u06cc\u0632 \u06a9\u0646\u06cc\u0645 \u062a\u0627 \u062f\u0631 \u0635\u0648\u0631\u062a\u06cc \u06a9\u0647 \u0642\u0635\u062f \u062f\u0627\u0634\u062a\u06cc\u0645 \u062a\u0627 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u06cc\u06a9 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632 \u0631\u0627 \u0628\u0647 \u0637\u0648\u0631 \u062e\u0627\u0635 \u067e\u06cc\u062f\u0627 \u06a9\u0646\u06cc\u0645\u060c \u0628\u0647 \u0631\u0627\u062d\u062a\u06cc \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0634\u0646\u0627\u0633\u0647\u200c\u06cc \u06cc\u06a9\u062a\u0627\u06cc \u0622\u0646 \u067e\u06cc\u062f\u0627 \u06a9\u0646\u06cc\u0645.<\/span><\/p>\n\n\n\n<p><span style=\"color: #000000; font-size: 16px;\"> \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0645\u062b\u0644\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0627\u0632 \u06a9\u062f\u0645\u0644\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f\u060c \u0628\u0647 \u062f\u0644\u06cc\u0644 \u0627\u06cc\u0646\u06a9\u0647 \u06a9\u062f\u0645\u0644\u06cc \u0647\u0631 \u0641\u0631\u062f \u0645\u062a\u0641\u0627\u0648\u062a \u0627\u0632 \u0628\u0642\u06cc\u0647 \u0648 \u062e\u0627\u0635 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f\u060c \u062f\u0631 \u0646\u062a\u06cc\u062c\u0647 \u0647\u0631 \u0631\u06a9\u0648\u0631\u062f\u06cc \u06a9\u0647 \u062f\u0631 \u0627\u06cc\u0646 \u062c\u062f\u0648\u0644 \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f\u060c \u062f\u0627\u0631\u0627\u06cc \u06cc\u06a9 \u0633\u062a\u0648\u0646 \u06a9\u062f \u0645\u0644\u06cc \u0628\u0627 \u0645\u0642\u062f\u0627\u0631 \u06cc\u06a9\u062a\u0627 \u0648 \u0645\u0646\u062d\u0635\u0631 \u0628\u0647 \u0641\u0631\u062f \u0645\u06cc \u0628\u0627\u0634\u062f\u060c \u0627\u06cc\u0646 \u0633\u062a\u0648\u0646 \u062f\u0631 \u0648\u0627\u0642\u0639 \u06a9\u0644\u06cc\u062f \u0627\u0635\u0644\u06cc \u062c\u062f\u0648\u0644 \u0634\u0645\u0627 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f\u060c \u06cc\u06a9\u06cc \u0627\u0632 \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u0644\u06cc\u062f \u062f\u0631 \u0627\u06cc\u062c\u0627\u062f \u0631\u0627\u0628\u0637\u0647 \u0628\u0627 \u062c\u062f\u0627\u0648\u0644 \u062f\u06cc\u06af\u0631 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f \u0648 \u0634\u0645\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u06cc\u0646 \u0633\u062a\u0648\u0646 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u062f\u0631 \u0633\u0627\u06cc\u0631 \u062c\u062f\u0648\u0644\u200c\u0647\u0627 \u0627\u0631\u062a\u0628\u0627\u0637 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f (\u0647\u0645\u0627\u0646 \u0645\u062f\u0644 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632\u060c \u0645\u0639\u0644\u06cc \u06a9\u0647 \u062f\u0631 \u0645\u062b\u0627\u0644 \u0642\u0628\u0644 \u0645\u0637\u0631\u062d \u06a9\u0631\u062f\u0645).<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" width=\"1024\" height=\"585\" data-src=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2020\/08\/learn-sql-language-in-database-2-1024x585.png.webp\" alt=\"\u0627\u0645\u06a9\u0627\u0646\u0627\u062a \u0632\u0628\u0627\u0646 SQL \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647\" class=\"wp-image-7525 lazyload\" title=\"\" data-srcset=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2020\/08\/learn-sql-language-in-database-2-1024x585.png.webp 1024w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2020\/08\/learn-sql-language-in-database-2-300x171.png.webp 300w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2020\/08\/learn-sql-language-in-database-2-768x439.png.webp 768w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2020\/08\/learn-sql-language-in-database-2.png 1400w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/585;\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<p><span style=\"color: #000000; font-size: 16px;\">\u0634\u0645\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u062a\u0648\u062c\u0647 \u0628\u0647 \u0646\u0648\u0639 \u062c\u062f\u0648\u0644 \u062e\u0648\u062f\u060c \u0647\u0631 \u0646\u0648\u0639 \u0633\u062a\u0648\u0646 \u0631\u0627 \u06a9\u0647 \u06cc\u06a9\u062a\u0627 \u0648 \u062e\u0627\u0635 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06a9\u0644\u06cc\u062f \u0627\u0635\u0644\u06cc \u062e\u0648\u062f \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f. \u062f\u0631 \u0635\u0648\u0631\u062a\u06cc \u06a9\u0647 \u0634\u0645\u0627 \u0633\u062a\u0648\u0646\u06cc \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06a9\u0644\u06cc\u062f \u0627\u0635\u0644\u06cc \u062f\u0631 \u0646\u0638\u0631 \u0646\u06af\u06cc\u0631\u06cc\u062f\u060c \u0628\u0647 \u0637\u0648\u0631 \u062e\u0648\u062f\u06a9\u0627\u0631 \u062c\u062f\u0648\u0644 \u0645\u0648\u0631\u062f \u0646\u0638\u0631 \u06cc\u06a9 \u0633\u062a\u0648\u0646 \u0628\u0647 \u0646\u0627\u0645 \u0622\u06cc \u062f\u06cc \u0628\u0631\u0627\u06cc \u0634\u0645\u0627 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u062f\u0631 \u062d\u0627\u0644\u062a \u067e\u06cc\u0634 \u0641\u0631\u0636 \u0627\u0632 \u0639\u062f\u062f \u06f1 \u0645\u0642\u062f\u0627\u0631 \u062f\u0647\u06cc \u0645\u06cc \u0628\u0627\u0634\u062f \u0648 \u0627\u062a\u0648\u0645\u0627\u062a \u0628\u0627 \u0647\u0631 \u0631\u06a9\u0648\u0631\u062f\u06cc \u06a9\u0647 \u062f\u0631 \u062c\u062f\u0648\u0644 \u062b\u0628\u062a \u0645\u06cc\u200c\u0634\u0648\u062f\u060c \u0639\u062f\u062f \u0622\u06cc \u062f\u06cc \u0628\u0627\u0644\u0627 \u0645\u06cc\u200c\u0631\u0648\u062f. \u0627\u06cc\u0646 \u0645\u0642\u062f\u0627\u0631 \u0622\u06cc \u062f\u06cc \u0628\u0631\u0627\u06cc \u0647\u0631 \u0631\u06a9\u0648\u0631\u062f\u060c \u06cc\u06a9\u062a\u0627 \u0648 \u062e\u0627\u0635 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. <\/span><\/p>\n\n\n\n<p><span style=\"color: #000000; font-size: 16px;\">\u062a\u0648\u062c\u0647 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u062f\u0631 \u06cc\u06a9 \u0633\u062a\u0648\u0646\u06cc \u06a9\u0647 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06a9\u0644\u06cc\u062f \u0627\u0635\u0644\u06cc \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f\u060c \u0645\u0642\u062f\u0627\u0631 \u062a\u06a9\u0631\u0627\u0631\u06cc \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0646\u06cc\u062f \u0648 \u0647\u0645\u0686\u0646\u06cc\u0646 \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0641\u06cc\u0644\u062f\u06cc \u0631\u0627 \u062f\u0631 \u0627\u06cc\u0646 \u0633\u062a\u0648\u0646 \u062e\u0627\u0644\u06cc \u0628\u06af\u0630\u0627\u0631\u06cc\u062f \u0648 \u0627\u0635\u0637\u0644\u0627\u062d\u0627 NULL \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0646\u06cc\u062f.<\/span><\/p>\n\n\n\n<p><span style=\"color: #000000; font-size: 16px;\">\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0645\u062b\u0627\u0644\u06cc \u06a9\u0647 \u0645\u0637\u0631\u062d \u0634\u062f\u060c \u06a9\u0644\u06cc\u062f \u0627\u0635\u0644\u06cc \u0627\u0632 \u06cc\u06a9 \u0633\u062a\u0648\u0646 \u0646\u0627\u0634\u06cc \u0634\u062f\u0647 \u0628\u0648\u062f\u060c \u0627\u0645\u0627 \u0627\u06cc\u0646 \u0627\u0645\u06a9\u0627\u0646 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u062a\u0627 \u0634\u0645\u0627 \u0628\u062a\u0648\u0627\u0646\u06cc\u062f \u0686\u0646\u062f \u0633\u062a\u0648\u0646 \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u0647\u0645\u0632\u0645\u0627\u0646 \u0628\u0647 \u0635\u0648\u0631\u062a \u06a9\u0644\u06cc\u062f \u0627\u0635\u0644\u06cc \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f. \u0645\u062b\u0644\u0627 \u062f\u0631 \u0645\u0648\u0631\u062f \u062c\u062f\u0648\u0644 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u062f\u0648 \u0633\u062a\u0648\u0646 \u06a9\u0644\u0627\u0633 \u0648 \u06a9\u062f\u0645\u0644\u06cc \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06a9\u0644\u06cc\u062f \u0627\u0635\u0644\u06cc \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f. \u0628\u0647 \u0637\u0648\u0631 \u06a9\u0644\u06cc \u06cc\u06a9 \u06a9\u0644\u06cc\u062f \u0627\u0635\u0644\u06cc \u062f\u0627\u0631\u0627\u06cc \u0648\u06cc\u0632\u06af\u06cc\u200c\u0647\u0627\u06cc \u0632\u06cc\u0631 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"color: #000000; font-size: 16px;\">\u0641\u06cc\u0644\u062f\u200c\u0647\u0627\u06cc \u0633\u062a\u0648\u0646 \u06a9\u0644\u06cc\u062f \u0627\u0635\u0644\u06cc \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0645\u0642\u062f\u0627\u0631 \u062a\u06a9\u0631\u0627\u0631\u06cc \u062f\u0631\u06cc\u0627\u0641\u062a \u06a9\u0646\u0646\u062f \u0648 \u0628\u0627\u06cc\u062f \u062d\u062a\u0645\u0627 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0627\u06cc\u0646 \u0633\u062a\u0648\u0646 \u0645\u0646\u062d\u0635\u0631 \u0628\u0647 \u0641\u0631\u062f \u0628\u0627\u0634\u062f.<\/span><\/li>\n\n\n\n<li><span style=\"color: #000000; font-size: 16px;\">\u0634\u0645\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u06cc\u06a9 \u0633\u062a\u0648\u0646 \u0627\u0632 \u06cc\u06a9 \u062c\u062f\u0648\u0644 \u0648 \u06cc\u0627 \u062a\u0631\u06a9\u06cc\u0628\u06cc \u0627\u0632 \u062f\u0648 \u06cc\u0627 \u0686\u0646\u062f \u0633\u062a\u0648\u0646 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06a9\u0644\u06cc\u062f \u0627\u0635\u0644\u06cc \u062c\u062f\u0648\u0644 \u0645\u0648\u0631\u062f \u0646\u0638\u0631 \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0646\u06cc\u062f.<\/span><\/li>\n\n\n\n<li><span style=\"color: #000000; 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font-size: 16px;\">\u0645\u0642\u0627\u062f\u06cc\u0631 \u0641\u06cc\u0644\u062f \u0633\u062a\u0648\u0646 \u06a9\u0644\u06cc\u062f \u0627\u0635\u0644\u06cc \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u062e\u0627\u0644\u06cc \u0648 \u06cc\u0627 \u0628\u0647 \u0627\u0635\u0637\u0644\u0627\u062d NULL \u0628\u0627\u0634\u062f.<\/span><\/li>\n<\/ul>\n\n\n\n<p><span style=\"font-size: 16px;\">\u062f\u0631 \u0627\u062f\u0627\u0645\u0647\u200c\u06cc \u0645\u0642\u0627\u0644\u0647 <strong>\u0632\u0628\u0627\u0646 SQL \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647<\/strong> \u0628\u0627 \u0645\u0627 \u0647\u0645\u0631\u0627\u0647 \u0628\u0627\u0634\u06cc\u062f &#8230;<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0632\u0628\u0627\u0646 SQL \u0686\u06cc\u0633\u062a SQL Structured Query Language \u06cc\u06a9 \u0632\u0628\u0627\u0646 \u062e\u0627\u0635\u06cc \u0645\u06cc\u200c\u0628\u0627\u0634\u062f \u06a9\u0647 \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0642\u0631\u0627\u0631 \u0645\u06cc\u200c\u06af\u06cc\u0631\u062f \u0648 \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u062f\u0631 \u06cc\u06a9 \u0633\u06cc\u0633\u062a\u0645 \u0645\u062f\u06cc\u0631\u06cc\u062a \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0631\u0627\u0628\u0637\u0647\u200c\u0627\u06cc (RDBMS) \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0645\u06cc\u200c\u0634\u0648\u0646\u062f\u060c \u06cc\u0627 \u0628\u0631\u0627\u06cc \u067e\u0631\u062f\u0627\u0632\u0634 \u062c\u0631\u06cc\u0627\u0646 \u062f\u0631 \u06cc\u06a9 \u0633\u06cc\u0633\u062a\u0645 \u0645\u062f\u06cc\u0631\u06cc\u062a \u062c\u0631\u06cc\u0627\u0646 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u0631\u0627\u0628\u0637\u0647\u200c\u0627\u06cc (RDSMS) \u0637\u0631\u0627\u062d\u06cc \u0634\u062f\u0647 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0628\u0647 \u0648\u06cc\u0698\u0647 \u062f\u0631 \u067e\u0631\u062f\u0627\u0632\u0634 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc [&hellip;]<\/p>\n","protected":false},"author":17,"featured_media":7523,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7,31],"tags":[],"class_list":["post-7517","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-programming-and-it-training","category-database-articles"],"_links":{"self":[{"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/posts\/7517","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/comments?post=7517"}],"version-history":[{"count":4,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/posts\/7517\/revisions"}],"predecessor-version":[{"id":67357,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/posts\/7517\/revisions\/67357"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/media\/7523"}],"wp:attachment":[{"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/media?parent=7517"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/categories?post=7517"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/tags?post=7517"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}