{"id":41775,"date":"2020-01-02T20:20:18","date_gmt":"2020-01-02T16:50:18","guid":{"rendered":"https:\/\/ostovaee.ir\/fa\/?p=41775"},"modified":"2020-05-11T13:45:06","modified_gmt":"2020-05-11T09:15:06","slug":"%d8%b3%d8%a7%d8%ae%d8%aa%d9%86-%d8%ac%d8%af%d9%88%d9%84-%d8%af%d8%b1-sql-server","status":"publish","type":"post","link":"https:\/\/ostovaee.ir\/fa\/%d8%b3%d8%a7%d8%ae%d8%aa%d9%86-%d8%ac%d8%af%d9%88%d9%84-%d8%af%d8%b1-sql-server\/","title":{"rendered":"\u0633\u0627\u062e\u062a\u0646 \u062c\u062f\u0648\u0644 \u062f\u0631 Sql Server"},"content":{"rendered":"\n<p>\u062c\u062f\u0648\u0644 \u0642\u0627\u0644\u0628\u06cc \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u0633\u0627\u0632\u06cc \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0645\u06cc\u200c\u0628\u0627\u0634\u062f \u0648 \u062f\u0631 \u0648\u0627\u0642\u0639 \u0633\u0627\u062e\u062a\u0627\u0631 \u0630\u062e\u06cc\u0631\u0647 \u0633\u0627\u0632\u06cc \u06cc\u06a9 \u0645\u0648\u062c\u0648\u062f\u06cc\u062a (Entity) \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0627\u0633\u062a. \u0647\u0631 \u062c\u062f\u0648\u0644 \u0627\u0632 \u0645\u062c\u0645\u0648\u0639\u0647\u200c\u0627\u06cc \u0627\u0632 \u0641\u06cc\u0644\u062f\u0647\u0627 \u062a\u0634\u06a9\u06cc\u0644 \u0634\u062f\u0647 \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u062f\u0631 \u0631\u06a9\u0648\u0631\u062f\u0647\u0627 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u062f\u0631 \u0627\u06cc\u0646 \u0622\u0645\u0648\u0632\u0634 \u0628\u0627 \u0646\u062d\u0648\u0647 \u0633\u0627\u062e\u062a\u0646 \u062c\u062f\u0648\u0644 \u062f\u0631 Sql Server \u0622\u0634\u0646\u0627 \u062e\u0648\u0627\u0647\u06cc\u062f \u0634\u062f. \u062f\u0631 \u0622\u0645\u0648\u0632\u0634 \u0642\u0628\u0644 \u0628\u0627 \u0646\u062d\u0648\u0647<a href=\"https:\/\/ostovaee.ir\/fa\/%d8%a7%db%8c%d8%ac%d8%a7%d8%af-%d8%af%db%8c%d8%aa%d8%a7%d8%a8%db%8c%d8%b3-%d8%ac%d8%af%db%8c%d8%af-%d8%af%d8%b1-sql\/\"> \u0633\u0627\u062e\u062a \u062f\u06cc\u062a\u0627\u0628\u06cc\u0633 \u062f\u0631 Sql<\/a> \u0622\u0634\u0646\u0627 \u0634\u062f\u06cc\u062f.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/ostovaee.ir\/fa\/product\/%d8%a2%d9%85%d9%88%d8%b2%d8%b4-%d8%b1%d8%a7%db%8c%da%af%d8%a7%d9%86-sql-server\/\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" loading=\"lazy\" width=\"953\" height=\"278\" src=\"https:\/\/ostovaee.ir\/fa\/wp-content\/uploads\/2019\/04\/SQL-Adver-FreeStart.jpg\" alt=\"\u0622\u0645\u0648\u0632\u0634 \u0631\u0627\u06cc\u06af\u0627\u0646 Sql Server | \u0627\u0633\u062a\u0648\u0627\u06cc\u06cc\" class=\"wp-image-1375\" srcset=\"https:\/\/ostovaee.ir\/fa\/wp-content\/uploads\/2019\/04\/SQL-Adver-FreeStart.jpg 953w, https:\/\/ostovaee.ir\/fa\/wp-content\/uploads\/2019\/04\/SQL-Adver-FreeStart-300x88.jpg 300w, https:\/\/ostovaee.ir\/fa\/wp-content\/uploads\/2019\/04\/SQL-Adver-FreeStart-768x224.jpg 768w, https:\/\/ostovaee.ir\/fa\/wp-content\/uploads\/2019\/04\/SQL-Adver-FreeStart-500x146.jpg 500w\" sizes=\"(max-width: 953px) 100vw, 953px\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647\u200c \u062f\u0631 Sql<\/h2>\n\n\n\n<p>\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u06af\u0641\u062a\u0647 \u0634\u062f \u0647\u0631 \u062c\u062f\u0648\u0644 \u0627\u0632 \u0645\u062c\u0645\u0648\u0639\u0647\u200c\u0627\u06cc \u0627\u0632 \u0641\u06cc\u0644\u062f\u0647\u0627 \u062a\u0634\u06a9\u06cc\u0644 \u062e\u0648\u0627\u0647\u062f \u0634\u062f \u0648 \u0647\u0631 \u0641\u06cc\u0644\u062f \u0628\u0627 \u062a\u0648\u062c\u0647 \u0628\u0647 \u0645\u0627\u0647\u06cc\u062a \u0622\u0646 \u0627\u0632 \u06cc\u06a9 \u0646\u0648\u0639 \u062f\u0627\u062f\u0647\u200c\u0627\u06cc \u062e\u0627\u0635 \u062a\u0639\u0631\u06cc\u0641 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0642\u0628\u0644 \u0627\u0632 \u0633\u0627\u062e\u062a\u0646 \u062c\u062f\u0648\u0644 \u062f\u0631 Sql server \u0628\u0627\u06cc\u062f \u0628\u0627 \u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u062f\u0631 \u062f\u06cc\u062a\u0627\u0628\u06cc\u0633 \u0628\u0647 \u0634\u0631\u062d \u0632\u06cc\u0631 \u0622\u0634\u0646\u0627 \u0634\u0648\u06cc\u062f:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u062f\u0627\u062f\u0647 \u0631\u0634\u062a\u0647\u200c\u0627\u06cc \u062f\u0631 Sql<\/h3>\n\n\n\n<p>\u062f\u0631 \u06a9\u0644 \u0631\u0634\u062a\u0647\u200c\u0647\u0627 \u062f\u0631 \u0642\u0627\u0644\u0628 \u0645\u0634\u062e\u0635\u0647\u200c\u0647\u0627\u06cc\u06cc \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f \u06a9\u0647 \u062f\u0648 \u0645\u0634\u062e\u0635\u0647 \u0628\u0627 \u0627\u0647\u0645\u06cc\u062a \u0628\u0647 \u0634\u0631\u062d \u0632\u06cc\u0631 \u062f\u0627\u0631\u0646\u062f:<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">unicode \u0628\u0648\u062f\u0646 \u06cc\u0627 \u0646\u0628\u0648\u062f\u0646<\/h4>\n\n\n\n<p>\u0627\u06cc\u0646 \u0645\u0648\u0631\u062f \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647\u200c\u0633\u0627\u0632\u06cc \u0645\u0642\u0627\u062f\u06cc\u0631 \u063a\u06cc\u0631\u0644\u0627\u062a\u06cc\u0646 \u0645\u0627\u0646\u0646\u062f \u0641\u0627\u0631\u0633\u06cc \u062f\u0627\u0631\u0627\u06cc \u0627\u0647\u0645\u06cc\u062a \u0627\u0633\u062a \u0627\u06af\u0631 \u0646\u0648\u0639 \u062f\u0627\u062f\u0647 \u0631\u0634\u062a\u0647 Unicode \u0646\u0628\u0627\u0634\u062f \u0627\u0645\u06a9\u0627\u0646 \u0630\u062e\u06cc\u0631\u0647\u200c\u0633\u0627\u0632\u06cc \u0645\u0642\u0627\u062f\u06cc\u0631 \u063a\u06cc\u0631 \u0644\u0627\u062a\u06cc\u0646 \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0631\u062f. \u0647\u0645\u0686\u0646\u06cc\u0646 \u062f\u0631 \u062d\u0627\u0644\u062a \u063a\u06cc\u0631 Unicode \u0647\u0631\u06a9\u0627\u0631\u0627\u06a9\u062a\u0631 \u06cc\u06a9 \u0628\u0627\u06cc\u062a \u0648 \u062f\u0631 \u062d\u0627\u0644\u062a Unicode \u0647\u0631 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631 \u062f\u0648 \u0628\u0627\u06cc\u062a \u0641\u0636\u0627 \u0627\u0634\u063a\u0627\u0644 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0646\u0645\u0627\u062f Unicode \u0628\u0648\u062f\u0646 &#8220;N&#8221; \u0627\u0633\u062a.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u0637\u0648\u0644 \u062b\u0627\u0628\u062a \u06cc\u0627 \u0645\u062a\u063a\u06cc\u0631 \u0628\u0631\u0627\u06cc \u0631\u0634\u062a\u0647\u200c\u0647\u0627<\/h4>\n\n\n\n<p>\u0627\u06af\u0631 \u06cc\u06a9 \u0646\u0648\u0639 \u062f\u0627\u062f\u0647\u200c \u0631\u0634\u062a\u0647\u200c\u0627\u06cc \u0628\u0627 \u0637\u0648\u0644 \u062b\u0627\u0628\u062a \u0628\u0627\u0634\u062f \u0648 \u062f\u0631 \u0622\u0646 \u0641\u06cc\u0644\u062f \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0628\u0647 \u0627\u0646\u062f\u0627\u0632\u0647 \u06af\u0641\u062a\u0647 \u0634\u062f\u0647 \u0642\u0631\u0627\u0631 \u0646\u06af\u06cc\u0631\u062f \u0647\u0645\u0627\u0646 \u0645\u06cc\u0632\u0627\u0646 \u0641\u0636\u0627 \u0627\u0634\u063a\u0627\u0644 \u062e\u0648\u0627\u0647\u062f \u0634\u062f \u0627\u0645\u0627 \u0646\u0648\u0639 \u062f\u0627\u062f\u0647 \u0631\u0634\u062a\u0647 \u0628\u0627 \u0637\u0648\u0644 \u0645\u062a\u063a\u06cc\u0631 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0628\u0647 \u0627\u0646\u062f\u0627\u0632\u0647 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631\u0647\u0627\u060c \u0641\u0636\u0627 \u0627\u0634\u063a\u0627\u0644 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.<br>\u062f\u0631 \u0648\u0627\u0642\u0639 \u0631\u0634\u062a\u0647 \u0628\u0627 \u0637\u0648\u0644 \u062b\u0627\u0628\u062a \u0627\u0632 \u0646\u0638\u0631 \u0645\u0635\u0631\u0641 \u0641\u0636\u0627 \u0628\u0647\u06cc\u0646\u0647 \u0646\u06cc\u0633\u062a \u0627\u0645\u0627 \u0628\u0648\u0627\u0633\u0637\u0647 \u062b\u0627\u0628\u062a \u0628\u0648\u062f\u0646 \u0637\u0648\u0644 \u0631\u0634\u062a\u0647\u200c\u0647\u0627 \u062f\u0631 \u0647\u0645\u0647 \u0639\u0645\u0644\u06cc\u0627\u062a\u200c\u0647\u0627 \u0627\u0632 \u062c\u0645\u0644\u0647 \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0627\u0632 \u0646\u0638\u0631 \u0633\u0631\u0639\u062a \u0628\u0647\u06cc\u0646\u0647 \u0627\u0633\u062a. <\/p>\n\n\n\n<p>\u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647 \u0631\u0634\u062a\u0647\u200c\u0627\u06cc \u062c\u0647\u062a \u0633\u0627\u062e\u062a\u0646 \u062c\u062f\u0648\u0644 \u062f\u0631 Sql Server \u0628\u0635\u0648\u0631\u062a \u0632\u06cc\u0631 \u0627\u0633\u062a:<\/p>\n\n\n\n<p>Char: \u0631\u0634\u062a\u0647 \u063a\u06cc\u0631 Unicode \u0628\u0627 \u0637\u0648\u0644 \u062b\u0627\u0628\u062a<br>Varchar: \u0631\u0634\u062a\u0647 \u063a\u06cc\u0631 Unicode \u0628\u0627 \u0637\u0648\u0644 \u0645\u062a\u063a\u06cc\u0631<br>Nchar: \u0631\u0634\u062a\u0647 Unicode \u0628\u0627 \u0637\u0648\u0644 \u062b\u0627\u0628\u062a<br>NVarchar: \u0631\u0634\u062a\u0647 Unicode \u0628\u0627 \u0637\u0648\u0644 \u0645\u062a\u063a\u06cc\u0631<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"sql\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">char(10)\nNchar(10)\nvarchar(50)\nnvarchar(50)<\/pre>\n\n\n\n<p>\u0639\u062f\u062f\u06cc \u06a9\u0647 \u062f\u0631 \u067e\u0631\u0627\u0646\u062a\u0632 \u0645\u0642\u0627\u0628\u0644 \u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647 \u0631\u0634\u062a\u0647\u200c\u0627\u06cc \u0646\u0648\u0634\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f \u062f\u0631 \u062d\u0627\u0644\u062a\u200c\u0647\u0627\u06cc \u0628\u0627 \u0637\u0648\u0644 \u0645\u062a\u063a\u06cc\u0631 \u062d\u062f\u0627\u06a9\u062b\u0631 \u0627\u0646\u062f\u0627\u0632\u0647 \u0645\u062c\u0627\u0632 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f \u0648 \u062f\u0631 \u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647 \u0628\u0627 \u0637\u0648\u0644 \u062b\u0627\u0628\u062a \u0627\u0646\u062f\u0627\u0632\u0647 \u062f\u0642\u06cc\u0642 \u0631\u0627 \u0645\u0634\u062e\u0635 \u0645\u06cc\u200c\u06a9\u0646\u062f.<br>\u062d\u062f\u0627\u06a9\u062b\u0631 \u062a\u0639\u062f\u0627\u062f \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631\u0647\u0627\u06cc \u0642\u0627\u0628\u0644 \u0642\u0628\u0648\u0644 \u0628\u0631\u0627\u06cc \u062d\u0627\u0644\u062a\u200c\u0647\u0627\u06cc \u063a\u06cc\u0631 unicode\u060c 8000 \u0648 \u0628\u0631\u0627\u06cc \u062d\u0627\u0644\u062a\u200c\u0647\u0627\u06cc Unicode\u060c 4000 \u0627\u0633\u062a \u06a9\u0647 \u0628\u062c\u0627\u06cc \u0627\u06cc\u0646 \u0627\u0639\u062f\u0627\u062f \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u06a9\u0644\u0645\u0647 Max \u0631\u0627 \u0646\u0648\u0634\u062a. \u0628\u0637\u0648\u0631\u0645\u062b\u0627\u0644 Nvarchar(max) <\/p>\n\n\n\n<p>\u062f\u0648 \u0646\u0648\u0639 \u062f\u0627\u062f\u0647\u200c\u0627\u06cc Text \u0648 NText \u0628\u0631\u0627\u06cc \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0631\u0634\u062a\u0647\u200c\u0647\u0627 \u062d\u062f\u0627\u06a9\u062b\u0631 \u062a\u0627 40 \u0628\u0627\u06cc\u062a \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a. \u0627\u0645\u0627 \u0627\u06cc\u0646 \u062f\u0648 \u0646\u0648\u0639 \u0627\u0645\u06a9\u0627\u0646\u0627\u062a \u0633\u0627\u06cc\u0631 \u0641\u06cc\u0644\u062f\u0647\u0627 \u0631\u0627 \u0646\u062f\u0627\u0631\u0646\u062f \u0628\u0637\u0648\u0631\u0645\u062b\u0627\u0644 Update\u060c Like \u0648 \u0639\u0645\u0644\u06af\u0631 \u0645\u0633\u0627\u0648\u06cc (=) \u0631\u0648\u06cc \u0627\u06cc\u0646 \u0641\u06cc\u0644\u062f\u0647\u0627 \u06a9\u0627\u0631 \u0646\u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06a9\u0644\u06cc\u062f \u0627\u0635\u0644\u06cc \u062c\u062f\u0648\u0644 \u0646\u06cc\u0632 \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0628\u0627\u0634\u0646\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u062f\u0633\u062a\u0648\u0631 int \u062f\u0631 Sql<\/h3>\n\n\n\n<p>\u0627\u0646\u0648\u0627\u0639 \u0627\u0639\u062f\u0627\u062f \u0635\u062d\u06cc\u062d \u062c\u0647\u062a \u0633\u0627\u062e\u062a\u0646 \u062c\u062f\u0648\u0644 \u062f\u0631 sql server \u0628\u0635\u0648\u0631\u062a \u0632\u06cc\u0631 \u0627\u0633\u062a:<\/p>\n\n\n\n<ul><li>Tiny Int: \u0639\u062f\u062f \u0635\u062d\u06cc\u062d \u06cc\u06a9 \u0628\u0627\u06cc\u062a\u06cc \u0627\u0633\u062a \u06cc\u0639\u0646\u06cc \u0639\u062f\u062f\u06cc \u0628\u06cc\u0646 \u0635\u0641\u0631 \u062a\u0627 255<\/li><li>Small Int: \u0639\u062f\u062f \u0635\u062d\u06cc\u062d \u062f\u0648 \u0628\u0627\u06cc\u062a\u06cc \u0627\u0633\u062a \u06cc\u0639\u0646\u06cc \u0639\u062f\u062f\u06cc \u0628\u06cc\u0646 -32768 \u062a\u0627 32767<\/li><li>Int: \u0639\u062f\u062f \u0635\u062d\u06cc\u062d 4 \u0628\u0627\u06cc\u062a\u06cc \u0627\u0633\u062a \u06cc\u0639\u0646\u06cc \u0639\u062f\u062f\u06cc \u0628\u06cc\u0646 -2 <sup>31 <\/sup> \u062a\u0627 2 <sup>31<\/sup> -1\n<\/li><li>BigInt: \u0639\u062f\u062f \u0635\u062d\u06cc\u062d 8 \u0628\u0627\u06cc\u062a\u06cc \u0627\u0633\u062a \u06cc\u0639\u0646\u06cc \u0639\u062f\u062f\u06cc \u0628\u06cc\u0646 -2 <sup>63 <\/sup> \u062a\u0627 2 <sup>63<\/sup> -1\n<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u0627\u0639\u0634\u0627\u0631 \u062f\u0631 Sql Server<\/h3>\n\n\n\n<ul><li>real: \u06cc\u06a9 \u0639\u062f\u062f \u0627\u0639\u0634\u0627\u0631 4 \u0628\u0627\u06cc\u062a\u06cc \u062a\u0627 24 \u0631\u0642\u0645 \u0627\u0639\u0634\u0627\u0631 \u0627\u0633\u062a<\/li><li>Float: \u06cc\u06a9 \u0639\u062f\u062f \u0627\u0639\u0634\u0627\u0631 \u0628\u0633\u06cc\u0627\u0631 \u0628\u0632\u0631\u06af \u0627\u0633\u062a<\/li><li>decimal:  \u0627\u06cc\u0646 \u0646\u0648\u0639 \u062f\u0627\u062f\u0647 \u062c\u0647\u062a \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0627\u0639\u062f\u0627\u062f \u0627\u0639\u0634\u0627\u0631\u06cc \u0628\u0627 \u062a\u0639\u062f\u0627\u062f \u0627\u0639\u0634\u0627\u0631 \u0645\u0634\u062e\u0635 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06af\u0631\u062f\u062f. \u0627\u06cc\u0646 \u0646\u0648\u0639 \u062f\u0627\u062f\u0647 \u062f\u0627\u0631\u0627\u06cc \u062f\u0648 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0648\u0631\u0648\u062f\u06cc \u0627\u0633\u062a \u0627\u0648\u0644\u06cc Precision \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u0645\u0639\u0646\u0627\u06cc \u062a\u0639\u062f\u0627\u062f \u06a9\u0644 \u0631\u0642\u0645\u200c\u0647\u0627\u06cc \u0639\u062f\u062f \u0645\u06cc\u200c\u0628\u0627\u0634\u062f \u0648 \u062f\u0648\u0645\u06cc Scale \u062a\u0639\u062f\u0627\u062f \u0627\u0631\u0642\u0627\u0645 \u0627\u0639\u0634\u0627\u0631 \u0631\u0627 \u0645\u0634\u062e\u0635 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0628\u0637\u0648\u0631\u0645\u062b\u0627\u0644 \u0627\u06af\u0631 \u0641\u06cc\u0644\u062f\u06cc \u0628\u0635\u0648\u0631\u062a decimal(5, 3)\u062a\u0639\u0631\u06cc\u0641 \u0634\u0648\u062f\u060c \u062d\u062f\u0627\u06a9\u062b\u0631 \u0645\u0642\u062f\u0627\u0631 \u0622\u0646 \u0628\u0631\u0627\u0628\u0631 \u0628\u0627 99.999 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. <br>  \u0627\u06cc\u0646 \u0646\u0648\u0639 \u0641\u06cc\u0644\u062f\u200c \u0628\u0633\u06cc\u0627\u0631 \u06a9\u0646\u062f \u0628\u0648\u062f\u0647 \u0648 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646\u0647\u0627 \u062a\u0648\u0635\u06cc\u0647 \u0646\u0645\u06cc\u200c\u06af\u0631\u062f\u062f. <\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u0646\u0648\u0639 boolean \u062f\u0631 Sql<\/h3>\n\n\n\n<p>\u062f\u0631 T-Sql \u0646\u0648\u0639 bool \u0646\u062f\u0627\u0631\u06cc\u0645 \u0648 \u0628\u062c\u0627\u06cc bool \u0627\u0632 \u0646\u0648\u0639 bit \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f \u06a9\u0647 \u06cc\u06a9 \u0628\u0627\u06cc\u062a\u06cc \u0627\u0633\u062a \u0648 \u0641\u0642\u0637 \u0639\u062f\u062f 0 \u0648 1 \u0631\u0627 \u0645\u06cc\u200c\u067e\u0630\u06cc\u0631\u062f \u0648 \u0628\u0635\u0648\u0631\u062a True (1) \u0648 False (0) \u0646\u0645\u0627\u06cc\u0634 \u0645\u06cc\u200c\u062f\u0647\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0646\u0648\u0639 \u062f\u0627\u062f\u0647 \u0628\u0631\u0627\u06cc \u0642\u06cc\u0645\u062a<\/h3>\n\n\n\n<p>Money:  \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u0642\u06cc\u0645\u062a \u06a9\u0627\u0631\u0628\u0631\u062f \u062f\u0627\u0631\u062f. \u06cc\u06a9 \u0639\u062f\u062f \u06f8 \u0628\u0627\u06cc\u062a\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u06f1\u06f5 \u0631\u0642\u0645 \u0635\u062d\u06cc\u062d \u0648\u06f4 \u0631\u0642\u0645 \u0627\u0639\u0634\u0627\u0631 \u0631\u0627 \u062f\u0631 \u062e\u0648\u062f \u0630\u062e\u06cc\u0631\u0647 \u06a9\u0646\u062f.<br> Small Money:  \u06cc\u06a9 \u0639\u062f\u062f \u06f4 \u0628\u0627\u06cc\u062a\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u06f6 \u0631\u0642\u0645 \u0635\u062d\u06cc\u062d \u0648 \u06f4 \u0631\u0642\u0645 \u0627\u0639\u0634\u0627\u0631 \u0631\u0627 \u062f\u0631 \u062e\u0648\u062f \u0630\u062e\u06cc\u0631\u0647 \u06a9\u0646\u062f. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0646\u0648\u0639 \u062f\u0627\u062f\u0647 \u062a\u0627\u0631\u06cc\u062e \u0648 \u0632\u0645\u0627\u0646<\/h3>\n\n\n\n<p>Date: \u0641\u0642\u0637 \u062a\u0627\u0631\u06cc\u062e \u0627\u0632 1\/1\/1 \u062a\u0627 \u0622\u062e\u0631 \u0633\u0627\u0644 9999<br>Time: \u0632\u0645\u0627\u0646 \u0627\u0632 \u0633\u0627\u0639\u062a \u062a\u0627 \u0648\u0642\u062a 100 \u0646\u0627\u0646\u0648 \u062b\u0627\u0646\u06cc\u0647<br>DateTime: \u062a\u0627\u0631\u06cc\u062e \u0648 \u0632\u0645\u0627\u0646 \u0627\u0632 \u0633\u0627\u0644 \u062a\u0627 \u0645\u06cc\u0644\u06cc \u062b\u0627\u0646\u06cc\u0647 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f \u06a9\u0647 \u0633\u0627\u0644 \u06a9\u0645\u062a\u0631 \u0627\u0632 1753 \u0642\u0628\u0648\u0644 \u0646\u0645\u06cc\u200c\u06a9\u0646\u062f.<br>DateTime2: \u062a\u0627\u0631\u06cc\u062e \u0648 \u0632\u0645\u0627\u0646 \u0627\u0632 \u0633\u0627\u0644 \u062a\u0627 \u0645\u06cc\u0644\u06cc \u062b\u0627\u0646\u06cc\u0647 \u0627\u0632 1\/1\/1 \u062a\u0627 \u0622\u062e\u0631 \u0633\u0627\u0644 9999 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f.<br>SmallDateTime: \u062a\u0627\u0631\u06cc\u062e \u0648 \u0632\u0645\u0627\u0646 \u0627\u0632 \u0633\u0627\u0644 \u062a\u0627 \u0645\u06cc\u0644\u06cc \u062b\u0627\u0646\u06cc\u0647 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f \u06a9\u0647 \u0634\u0627\u0645\u0644 \u0633\u0627\u0644\u200c\u0647\u0627\u06cc 1753 \u062a\u0627 2079 \u0627\u0633\u062a.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u062f\u0627\u062f\u0647 \u0628\u0627\u06cc\u0646\u0631\u06cc \u062f\u0631 Sql<\/h3>\n\n\n\n<p>Image: \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u062a\u0635\u0627\u0648\u06cc\u0631 \u062d\u062f\u0627\u06a9\u062b\u0631 4 \u06af\u06cc\u06af\u0627 \u0628\u0627\u06cc\u062a \u0628\u0631\u0627\u06cc \u06cc\u06a9 \u062a\u0635\u0648\u06cc\u0631<br>Binary: \u0628\u0631\u0627\u06cc \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0627\u0646\u0648\u0627\u0639 \u0641\u0627\u06cc\u0644\u200c\u0647\u0627 \u0648 \u0645\u0642\u0627\u062f\u06cc\u0631 Binary \u0628\u0627 \u0627\u0646\u062f\u0627\u0632\u0647 \u0645\u0634\u062e\u0635 \u06a9\u0647 \u0627\u0646\u062f\u0627\u0632\u0647 \u0622\u0646 \u062f\u0627\u062e\u0644 \u067e\u0631\u0627\u0646\u062a\u0632 \u0642\u0631\u0627\u0631 \u062f\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0628\u0637\u0648\u0631 \u0645\u062b\u0627\u0644 binary(5)<br>Varbinary: \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0627\u0646\u0648\u0627\u0639 \u0641\u0627\u06cc\u0644\u200c\u0647\u0627 \u0648 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0628\u0627\u06cc\u0646\u0631\u06cc \u0628\u0627 \u0637\u0648\u0644 \u0645\u062a\u063a\u06cc\u0631 \u06a9\u0647 \u062d\u062f\u0627\u06a9\u062b\u0631 \u0627\u0646\u062f\u0627\u0632\u0647 \u0645\u062c\u0627\u0632 \u0622\u0646 \u062f\u0627\u062e\u0644 \u067e\u0631\u0627\u0646\u062a\u0632 \u0642\u0631\u0627\u0631 \u062f\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0628\u0637\u0648\u0631 \u0645\u062b\u0627\u0644 varbinary(10)<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">timestamp \u062f\u0631 \u0627\u0633 \u06a9\u06cc\u0648 \u0627\u0644<\/h3>\n\n\n\n<p>\u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0628\u0627\u06cc\u0646\u0631\u06cc \u06a9\u0647 \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0631\u06a9\u0648\u0631\u062f \u0631\u0627 \u0645\u0634\u062e\u0635 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u06a9\u0627\u0631\u0628\u0631 \u062d\u0642 \u0645\u0642\u062f\u0627\u0631\u062f\u0647\u06cc \u0628\u0647 \u0622\u0646 \u0631\u0627 \u0646\u062f\u0627\u0631\u062f \u0648 \u0628\u0635\u0648\u0631\u062a \u062e\u0648\u062f\u06a9\u0627\u0631 \u0628\u0627 \u0627\u0639\u0645\u0627\u0644 \u0647\u0631 \u062a\u063a\u06cc\u06cc\u0631 \u0631\u0648\u06cc \u0631\u06a9\u0648\u0631\u062f\u060c \u0645\u0642\u062f\u0627\u0631 \u0622\u0646 \u062a\u063a\u06cc\u06cc\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0647\u0631 \u0631\u06a9\u0648\u0631\u062f\u06cc \u06a9\u0647 \u0628\u0632\u0631\u06af\u062a\u0631\u06cc\u0646 \u0645\u0642\u062f\u0627\u0631 \u062f\u0631 Timestamp \u0631\u0627 \u062f\u0627\u0631\u062f \u0622\u062e\u0631\u06cc\u0646 \u0631\u06a9\u0648\u0631\u062f \u0627\u0633\u062a.<br>\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u06cc\u06a9 \u0631\u06a9\u0648\u0631\u062f \u0631\u0627 \u062c\u0633\u062a\u062c\u0648 \u0648 \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u06a9\u0631\u062f\u0647 \u0648 \u0645\u0642\u062f\u0627\u0631 \u0641\u06cc\u0644\u062f timestamp \u0622\u0646\u0631\u0627 \u062f\u0631 \u0645\u062a\u063a\u06cc\u0631\u06cc \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645. \u0633\u0627\u06cc\u0631 \u0641\u06cc\u0644\u062f\u0647\u0627 \u0631\u0627 \u0628\u0631\u0627\u06cc \u067e\u0631\u062f\u0627\u0632\u0634 \u0628\u0647 \u06cc\u06a9 \u0641\u0631\u0622\u06cc\u0646\u062f \u0645\u062d\u0627\u0633\u0628\u0627\u062a\u06cc \u0627\u0631\u0633\u0627\u0644 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645 \u067e\u0633 \u0627\u0632 \u067e\u0627\u06cc\u0627\u0646 \u0645\u062d\u0627\u0633\u0628\u0627\u062a \u0648 \u0642\u0628\u0644 \u0627\u0632 \u0627\u0639\u0645\u0627\u0644 \u0646\u062a\u0627\u06cc\u062c  \u0645\u062c\u062f\u062f \u0641\u06cc\u0644\u062f timestamp \u0622\u0646 \u0631\u06a9\u0648\u0631\u062f \u0631\u0627 \u0645\u06cc\u200c\u0628\u06cc\u0646\u06cc\u0645 \u0648 \u0628\u0627 \u0645\u0642\u062f\u0627\u0631 \u0642\u0628\u0644\u06cc \u0645\u0642\u0627\u06cc\u0633\u0647 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645 \u0627\u06af\u0631 \u0645\u0642\u062f\u0627\u0631 \u0622\u0646 \u0628\u0627 \u0645\u0642\u062f\u0627\u0631 \u0642\u0628\u0644\u06cc \u06cc\u06a9\u0633\u0627\u0646 \u0628\u0627\u0634\u062f \u06cc\u0639\u0646\u06cc \u062f\u0631 \u0641\u0627\u0635\u0644\u0647 \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u0648 \u0627\u0646\u062c\u0627\u0645 \u0645\u062d\u0627\u0633\u0628\u0627\u062a \u0627\u06cc\u0646 \u0631\u06a9\u0648\u0631\u062f \u062a\u063a\u06cc\u06cc\u0631 \u0646\u06a9\u0631\u062f\u0647 \u0648 \u0627\u06af\u0631 \u06cc\u06a9\u0633\u0627\u0646 \u0646\u0628\u0648\u062f \u06cc\u0639\u0646\u06cc \u0627\u06cc\u0646 \u0631\u06a9\u0648\u0631\u062f \u062a\u063a\u06cc\u06cc\u0631 \u06a9\u0631\u062f\u0647 \u0627\u0633\u062a.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0646\u0648\u0639 \u062f\u0627\u062f\u0647 uniqueidentifier \u062f\u0631 Sql<\/h3>\n\n\n\n<p>\u0628\u0631\u0627\u06cc \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0645\u0642\u0627\u062f\u06cc\u0631 Guid (\u0634\u0646\u0627\u0633\u0647 \u06cc\u06a9\u062a\u0627 \u062c\u0647\u0627\u0646\u06cc) \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u0627\u06cc\u0646 \u06a9\u062f 36 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631 \u0627\u0633\u062a \u0648 \u0647\u0631 \u0628\u0627\u0631 \u06a9\u0647 \u062a\u0648\u0644\u06cc\u062f \u0645\u06cc\u200c\u0634\u0648\u062f \u06cc\u06a9\u062a\u0627 \u0627\u0633\u062a. \u0628\u0627 \u062a\u0627\u0628\u0639 NewId() \u0627\u06cc\u0646 \u06a9\u062f \u06cc\u06a9\u062a\u0627 \u062a\u0648\u0644\u06cc\u062f \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0646\u0648\u0639 \u062f\u0627\u062f\u0647 xml \u062f\u0631 Sql Server<\/h3>\n\n\n\n<p>\u0628\u0631\u0627\u06cc \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0627\u0633\u0646\u0627\u062f xml \u0645\u0627\u0646\u0646\u062f \u0627\u0633\u0646\u0627\u062f office \u062d\u062f\u0627\u06a9\u062b\u0631 \u062a\u0627 4 \u06af\u06cc\u06af\u0627 \u0628\u0627\u06cc\u062a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/ostovaee.ir\/fa\/product\/%d8%a2%d9%85%d9%88%d8%b2%d8%b4-%da%a9%d8%a7%d9%85%d9%84-sql-server\/\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" loading=\"lazy\" width=\"953\" height=\"358\" src=\"https:\/\/ostovaee.ir\/fa\/wp-content\/uploads\/2019\/04\/SQL-Adver-Magic-Feature.jpg\" alt=\"\u062c\u0627\u062f\u0648\u06cc \u0627\u0633\u062a\u0648\u0627\u06cc\u06cc Sql Server |\u0627\u0633\u062a\u0648\u0627\u06cc\u06cc\" class=\"wp-image-1378\" srcset=\"https:\/\/ostovaee.ir\/fa\/wp-content\/uploads\/2019\/04\/SQL-Adver-Magic-Feature.jpg 953w, https:\/\/ostovaee.ir\/fa\/wp-content\/uploads\/2019\/04\/SQL-Adver-Magic-Feature-300x113.jpg 300w, https:\/\/ostovaee.ir\/fa\/wp-content\/uploads\/2019\/04\/SQL-Adver-Magic-Feature-768x289.jpg 768w, https:\/\/ostovaee.ir\/fa\/wp-content\/uploads\/2019\/04\/SQL-Adver-Magic-Feature-500x188.jpg 500w\" sizes=\"(max-width: 953px) 100vw, 953px\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u062f\u0633\u062a\u0648\u0631 identity \u062f\u0631 Sql<\/h2>\n\n\n\n<p>\u0628\u0631\u0627\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u062f\u0631 sql \u0645\u0642\u062f\u0627\u0631\u062f\u0647\u06cc \u062e\u0648\u062f\u06a9\u0627\u0631 \u0627\u0646\u062c\u0627\u0645 \u0634\u0648\u062f \u0628\u0627\u06cc\u062f \u0647\u0646\u06af\u0627\u0645 \u0633\u0627\u062e\u062a\u0646 \u062c\u062f\u0648\u0644 \u062f\u0631 sql server \u06cc\u06a9 \u0641\u06cc\u0644\u062f \u0627\u0632 \u0646\u0648\u0639 \u0639\u062f\u062f \u0635\u062d\u06cc\u062d \u0631\u0627 \u0628\u0635\u0648\u0631\u062a identity \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0631\u062f. \u062c\u0647\u062a \u062a\u0639\u0631\u06cc\u0641 \u0641\u06cc\u0644\u062f \u0628\u0635\u0648\u0631\u062a Indentity \u0645\u0642\u0627\u0628\u0644 \u0641\u06cc\u0644\u062f \u0639\u062f\u062f \u0635\u062d\u06cc\u062d \u0639\u0628\u0627\u0631\u062a &#8221; Indentity&#8221; \u0631\u0627 \u0642\u0631\u0627\u0631 \u062f\u0647\u06cc\u062f. \u062f\u0631 \u0622\u0645\u0648\u0632\u0634 <a href=\"https:\/\/ostovaee.ir\/fa\/%d9%85%d9%82%d8%af%d8%a7%d8%b1-%d8%af%d9%87%db%8c-%d8%ae%d9%88%d8%af%da%a9%d8%a7%d8%b1-%d8%af%d8%b1-sql\/\">\u0645\u0642\u062f\u0627\u0631 \u062f\u0647\u06cc \u062e\u0648\u062f\u06a9\u0627\u0631 \u062f\u0631 sql<\/a> \u062f\u0631\u0628\u0627\u0631\u0647 \u0641\u06cc\u0644\u062f Identity \u062a\u0648\u0636\u06cc\u062d\u0627\u062a \u062a\u06a9\u0645\u06cc\u0644\u06cc \u0627\u0631\u0627\u0626\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a.<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"sql\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\u0646\u0627\u0645 \u0641\u06cc\u0644\u062f \u0645\u0648\u0631\u062f \u0646\u0638\u0631 Int Identity\nProductID Int Identity<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u06a9\u0648\u0626\u0631\u06cc \u0627\u06cc\u062c\u0627\u062f \u062c\u062f\u0648\u0644 \u062f\u0631 Sql<\/h2>\n\n\n\n<p>\u0633\u0627\u062e\u062a\u0646 \u062c\u062f\u0648\u0644 \u062f\u0631 sql server \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062f\u0633\u062a\u0648\u0631\u0627\u062a \u0632\u06cc\u0631 \u0627\u0645\u06a9\u0627\u0646\u067e\u0630\u06cc\u0631 \u0627\u0633\u062a:<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"sql\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">create table \u0646\u0627\u0645 \u062c\u062f\u0648\u0644 \u0645\u0648\u0631\u062f\u0646\u0638\u0631\n(\n\u0641\u06cc\u0644\u062f1  \u0646\u0648\u0639 \u062f\u0627\u062f\u0647,\n\u0641\u06cc\u0644\u062f2  \u0646\u0648\u0639 \u062f\u0627\u062f\u0647,\n...\n)\ncreate table Person\n(\nCode int identity,\nFirstName nvarchar(30),\nLastName nvarchar(max)\n)<\/pre>\n\n\n\n<p>\u0628\u0635\u0648\u0631\u062a \u067e\u06cc\u0634 \u0641\u0631\u0636 \u0647\u0631 \u0641\u06cc\u0644\u062f \u0627\u0645\u06a9\u0627\u0646 \u067e\u0630\u06cc\u0631\u0634 \u0645\u0642\u062f\u0627\u0631 Null \u0631\u0627 \u062f\u0627\u0631\u062f \u062f\u0631 \u0648\u0627\u0642\u0639 Allow Null \u06cc\u0627 Nullable \u0627\u0633\u062a. \u0628\u0631\u0627\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u067e\u0630\u06cc\u0631\u0634 \u0645\u0642\u062f\u0627\u0631 Null \u0628\u0627\u06cc\u062f \u0645\u0642\u0627\u0628\u0644 \u0641\u06cc\u0644\u062f \u0645\u0648\u0631\u062f\u0646\u0638\u0631 \u0639\u0628\u0627\u0631\u062a &#8220;Not Null&#8221; \u0631\u0627 \u0642\u0631\u0627\u0631 \u062f\u0647\u06cc\u062f.<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"sql\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">create table Person\n(\nCode int identity,\nPersonGuid uniqueidentifier not null,\nFirstName nvarchar(30),\nLastName nvarchar(50) not null\n)<\/pre>\n\n\n\n<p> \u062f\u0642\u062a \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u062f\u0631 \u0647\u0646\u06af\u0627\u0645 \u062a\u0639\u0631\u06cc\u0641 \u0641\u06cc\u0644\u062f\u0647\u0627\u060c \u0645\u0642\u0627\u062f\u06cc\u0631\u06cc \u06a9\u0647 \u0645\u062d\u0627\u0633\u0628\u0627\u062a\u06cc \u0647\u0633\u062a\u0646\u062f \u0631\u0627 \u062f\u0631 \u062c\u062f\u0648\u0644 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0641\u06cc\u0644\u062f \u0642\u0631\u0627\u0631 \u0646\u062f\u0647\u06cc\u062f \u0648 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0631\u0627 \u0630\u062e\u06cc\u0631\u0647 \u0646\u06a9\u0646\u06cc\u062f \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644 \u0633\u0646 \u06a9\u0627\u0631\u0645\u0646\u062f \u06a9\u0647 \u0628\u0627\u06cc\u062f \u0628\u0631 \u0627\u0633\u0627\u0633 \u062a\u0627\u0631\u06cc\u062e \u062a\u0648\u0644\u062f \u0648 \u0633\u0627\u0644 \u062c\u0627\u0631\u06cc \u0645\u062d\u0627\u0633\u0628\u0647 \u0634\u0648\u062f\u0648 \u06cc\u0627 \u0645\u0628\u0644\u063a \u06a9\u0644 \u06cc\u06a9 \u06a9\u0627\u0644\u0627 \u06a9\u0647 \u0628\u0631 \u0627\u0633\u0627\u0633 \u062a\u0639\u062f\u0627\u062f\u060c \u062a\u062e\u0641\u06cc\u0641 \u0648 \u0645\u0642\u062f\u0627\u0631 \u0647\u0631 \u0639\u062f\u062f \u0645\u062d\u0627\u0633\u0628\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f \u0627\u0631\u0632\u0634 \u0630\u062e\u06cc\u0631\u0647 \u0633\u0627\u0632\u06cc \u0646\u062f\u0627\u0631\u062f. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0627\u06cc\u062c\u0627\u062f \u062c\u062f\u0648\u0644 \u062f\u0631 \u062f\u06cc\u062a\u0627\u0628\u06cc\u0633<\/h2>\n\n\n\n<p>\u062f\u0631 sql \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0628\u062f\u0648\u0646 \u0646\u0648\u0634\u062a\u0646 \u062f\u0633\u062a\u0648\u0631\u0627\u062a (\u06a9\u0648\u0626\u0631\u06cc)\u060c \u06cc\u06a9 \u062c\u062f\u0648\u0644 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0631\u062f. \u0628\u0631\u0627\u06cc \u0633\u0627\u062e\u062a\u0646 \u062c\u062f\u0648\u0644 \u062f\u0631 Sql Server \u0628\u0627\u06cc\u062f \u0645\u0631\u0627\u062d\u0644 \u0632\u06cc\u0631 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f.<\/p>\n\n\n\n<p> \u0628\u0631\u0646\u0627\u0645\u0647 Sql Server Management Studio \u0631\u0627 \u0628\u0627\u0632 \u06a9\u0631\u062f\u0647 \u0648 \u0628\u0647 Sql Server \u0645\u062a\u0635\u0644 \u0634\u0648\u06cc\u062f. \u062f\u0631 <a href=\"https:\/\/ostovaee.ir\/fa\/%d8%a2%d9%85%d9%88%d8%b2%d8%b4-sql-server\/\">\u0622\u0645\u0648\u0632\u0634 Sql Server<\/a> \u0646\u062d\u0648\u0647 \u0627\u062a\u0635\u0627\u0644 \u0628\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0628\u0635\u0648\u0631\u062a \u06a9\u0627\u0645\u0644 \u062a\u0648\u0636\u06cc\u062d \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a. <\/p>\n\n\n\n<p>\u062f\u06cc\u062a\u0627\u0628\u06cc\u0633 \u0645\u0648\u0631\u062f \u0646\u0638\u0631 \u0631\u0627 \u0628\u0627\u0632 \u06a9\u0631\u062f\u0647 \u0648 \u0628\u0631 \u0631\u0648\u06cc \u067e\u0648\u0634\u0647 (\u0641\u0648\u0644\u062f\u0631) Tables \u0631\u0627\u0633\u062a \u06a9\u0644\u06cc\u06a9 \u06a9\u0631\u062f\u0647 \u0648 \u06af\u0632\u06cc\u0646\u0647 new \u0648 \u0628\u0639\u062f\u0634 table \u06a9\u0646\u06cc\u062f.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"950\" height=\"490\" src=\"https:\/\/ostovaee.ir\/fa\/wp-content\/uploads\/2019\/12\/SQL-CreateTable-Ostovaee-\u0627\u0633\u062a\u0648\u0627\u06cc\u06cc.jpg\" alt=\"\u0633\u0627\u062e\u062a \u062c\u062f\u0648\u0644 \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647\" class=\"wp-image-41883\" srcset=\"https:\/\/ostovaee.ir\/fa\/wp-content\/uploads\/2019\/12\/SQL-CreateTable-Ostovaee-\u0627\u0633\u062a\u0648\u0627\u06cc\u06cc.jpg 950w, https:\/\/ostovaee.ir\/fa\/wp-content\/uploads\/2019\/12\/SQL-CreateTable-Ostovaee-\u0627\u0633\u062a\u0648\u0627\u06cc\u06cc-300x155.jpg 300w, https:\/\/ostovaee.ir\/fa\/wp-content\/uploads\/2019\/12\/SQL-CreateTable-Ostovaee-\u0627\u0633\u062a\u0648\u0627\u06cc\u06cc-768x396.jpg 768w, https:\/\/ostovaee.ir\/fa\/wp-content\/uploads\/2019\/12\/SQL-CreateTable-Ostovaee-\u0627\u0633\u062a\u0648\u0627\u06cc\u06cc-500x258.jpg 500w\" sizes=\"(max-width: 950px) 100vw, 950px\" \/><\/figure>\n\n\n\n<p>\u062f\u0631 \u0635\u0641\u062d\u0647 \u0628\u0627\u0632 \u0634\u062f\u0647 \u0646\u0627\u0645 \u0641\u06cc\u0644\u062f\u0647\u0627\u060c \u0646\u0648\u0639 \u062f\u0627\u062f\u0647 \u0648  Allow Null \u0628\u0648\u062f\u0646 \u0631\u0627 \u0645\u0634\u062e\u0635 \u06a9\u0646\u06cc\u062f.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"950\" height=\"352\" src=\"https:\/\/ostovaee.ir\/fa\/wp-content\/uploads\/2020\/01\/SQL-AddColumns-Ostovaee-\u0627\u0633\u062a\u0648\u0627\u06cc\u06cc.jpg\" alt=\"\u0622\u0645\u0648\u0632\u0634 \u0633\u0627\u062e\u062a \u062c\u062f\u0648\u0644 \u062f\u0631 sql server | \u0627\u0633\u062a\u0648\u0627\u06cc\u06cc | Ostovaee\" class=\"wp-image-41884\" srcset=\"https:\/\/ostovaee.ir\/fa\/wp-content\/uploads\/2020\/01\/SQL-AddColumns-Ostovaee-\u0627\u0633\u062a\u0648\u0627\u06cc\u06cc.jpg 950w, https:\/\/ostovaee.ir\/fa\/wp-content\/uploads\/2020\/01\/SQL-AddColumns-Ostovaee-\u0627\u0633\u062a\u0648\u0627\u06cc\u06cc-300x111.jpg 300w, https:\/\/ostovaee.ir\/fa\/wp-content\/uploads\/2020\/01\/SQL-AddColumns-Ostovaee-\u0627\u0633\u062a\u0648\u0627\u06cc\u06cc-768x285.jpg 768w, https:\/\/ostovaee.ir\/fa\/wp-content\/uploads\/2020\/01\/SQL-AddColumns-Ostovaee-\u0627\u0633\u062a\u0648\u0627\u06cc\u06cc-500x185.jpg 500w\" sizes=\"(max-width: 950px) 100vw, 950px\" \/><\/figure>\n\n\n\n<p>\u062f\u0631 \u0635\u0648\u0631\u062a\u06cc\u06a9\u0647 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u062f \u0641\u06cc\u0644\u062f\u06cc \u0627\u0632 \u0646\u0648\u0639 Identity \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0646\u06cc\u062f \u062f\u0631 \u067e\u0627\u06cc\u06cc\u0646 \u0635\u0641\u062d\u0647 \u0642\u0633\u0645\u062a Column Properties \u062f\u0631 \u0628\u062e\u0634 Identity Specification \u0645\u0642\u062f\u0627\u0631 Is Identity \u0631\u0627 \u0628\u0631\u0627\u0628\u0631 \u0628\u0627 Yes \u0642\u0631\u0627\u0631 \u062f\u0647\u06cc\u062f \u0648 \u0633\u067e\u0633 Identity Increment (\u0645\u06cc\u0632\u0627\u0646 \u0627\u0641\u0632\u0627\u06cc\u0634) \u0648 Identity seed (\u0645\u0642\u062f\u0627\u0631 \u0634\u0631\u0648\u0639) \u0631\u0627 \u0645\u0634\u062e\u0635 \u06a9\u0646\u06cc\u062f. (\u0627\u06cc\u0646 \u062f\u0648 \u0645\u0642\u062f\u0627\u0631 \u0628\u0635\u0648\u0631\u062a \u067e\u06cc\u0634 \u0641\u0631\u0636 \u0628\u0631\u0627\u0628\u0631 \u0628\u0627 \u06cc\u06a9 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f)<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"950\" height=\"498\" src=\"https:\/\/ostovaee.ir\/fa\/wp-content\/uploads\/2020\/01\/SQL-SetIdentity-Ostovaee-\u0627\u0633\u062a\u0648\u0627\u06cc\u06cc.jpg\" alt=\"identity \u0686\u06cc\u0633\u062a | \u0627\u0633\u062a\u0648\u0627\u06cc\u06cc | Ostovaee\" class=\"wp-image-41885\" srcset=\"https:\/\/ostovaee.ir\/fa\/wp-content\/uploads\/2020\/01\/SQL-SetIdentity-Ostovaee-\u0627\u0633\u062a\u0648\u0627\u06cc\u06cc.jpg 950w, https:\/\/ostovaee.ir\/fa\/wp-content\/uploads\/2020\/01\/SQL-SetIdentity-Ostovaee-\u0627\u0633\u062a\u0648\u0627\u06cc\u06cc-300x157.jpg 300w, https:\/\/ostovaee.ir\/fa\/wp-content\/uploads\/2020\/01\/SQL-SetIdentity-Ostovaee-\u0627\u0633\u062a\u0648\u0627\u06cc\u06cc-768x403.jpg 768w, https:\/\/ostovaee.ir\/fa\/wp-content\/uploads\/2020\/01\/SQL-SetIdentity-Ostovaee-\u0627\u0633\u062a\u0648\u0627\u06cc\u06cc-500x262.jpg 500w\" sizes=\"(max-width: 950px) 100vw, 950px\" \/><\/figure>\n\n\n\n<p>\u062f\u0631 \u0627\u0646\u062a\u0647\u0627 \u062f\u06a9\u0645\u0647 save \u0631\u0627 \u0628\u0632\u0646\u06cc\u062f \u0648 \u062f\u0631 \u067e\u0646\u062c\u0631\u0647 \u0628\u0627\u0632 \u0634\u062f\u0647 \u06cc\u06a9 \u0646\u0627\u0645 \u0628\u0631\u0627\u06cc \u062c\u062f\u0648\u0644 \u0645\u0634\u062e\u0635 \u06a9\u0646\u06cc\u062f.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"950\" height=\"380\" src=\"https:\/\/ostovaee.ir\/fa\/wp-content\/uploads\/2020\/01\/SQL-CreateNewTable-Ostovaee-\u0627\u0633\u062a\u0648\u0627\u06cc\u06cc.jpg\" alt=\"\u062f\u0633\u062a\u0648\u0631 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