{"id":1829,"date":"2011-07-27T05:41:16","date_gmt":"2011-07-27T05:41:16","guid":{"rendered":"http:\/\/enjoyasp.net\/?p=1829"},"modified":"2011-07-27T05:41:16","modified_gmt":"2011-07-27T05:41:16","slug":"cast%e4%b8%8econvert","status":"publish","type":"post","link":"https:\/\/enjoyasp.net\/index.php\/2011\/07\/27\/cast%e4%b8%8econvert\/","title":{"rendered":"CAST\u4e0eCONVERT"},"content":{"rendered":"<p>1,\u6027\u80fd\uff1a\u4e8c\u8005\u4e00\u6837\u3002<br \/>\n2\uff0c\u533a\u522b\uff1aCAST \u662fANSI\u6807\u51c6\uff0cConvert\u4e0d\u662f\u3002CAST\u5bf9\u4e8e\u8f6c\u6362\u6307\u5b9a\u65e5\u671f\u683c\u5f0f\u4e0a\u4e0d\u6ee1\u8db3\uff0c\u800cConvert\u53ef\u4ee5\u3002<br \/>\n3\uff0c\u5b9e\u73b0\u4e0a\uff0c\u5728MsSql\u4e2dCAST\u7531Convert\u5b9e\u73b0\uff0c\u5373\u901a\u8fc7\uff1a<br \/>\nSELECT CAST  ( o.[object_id] AS int)<br \/>\nFROM sys.objects o<br \/>\n\u5728Compute Scalar\u7684\u5c5e\u6027\u4e2d\u67e5\u770b\uff1a<br \/>\n[Expr1037] = \u6807\u91cf\u8fd0\u7b97\u7b26(CONVERT(int,[master].[sys].[sysschobjs].[id] as [o].[id],0))<br \/>\n\u53c2\u8003\uff1a<br \/>\nhttp:\/\/beyondrelational.com\/blogs\/nakul\/archive\/2011\/07\/18\/cast-v-s-convert-is-there-a-difference-as-far-as-sql-server-is-concerned-which-is-better.aspx<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1,\u6027\u80fd\uff1a\u4e8c\u8005\u4e00\u6837\u3002 2\uff0c\u533a\u522b\uff1aCAST \u662fANSI\u6807\u51c6\uff0cConvert\u4e0d\u662f\u3002CAST\u5bf9\u4e8e\u8f6c\u6362\u6307\u5b9a\u65e5\u671f\u683c\u5f0f\u4e0a\u4e0d [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[36],"tags":[],"class_list":["post-1829","post","type-post","status-publish","format-standard","hentry","category-sql-server"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/posts\/1829","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/comments?post=1829"}],"version-history":[{"count":0,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/posts\/1829\/revisions"}],"wp:attachment":[{"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/media?parent=1829"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/categories?post=1829"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/tags?post=1829"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}