{"id":1791,"date":"2011-07-04T02:57:37","date_gmt":"2011-07-04T02:57:37","guid":{"rendered":"http:\/\/enjoyasp.net\/?p=1791"},"modified":"2011-07-04T02:57:37","modified_gmt":"2011-07-04T02:57:37","slug":"not-in-%e4%b8%8e-null","status":"publish","type":"post","link":"https:\/\/enjoyasp.net\/index.php\/2011\/07\/04\/not-in-%e4%b8%8e-null\/","title":{"rendered":"NOT IN \u4e0e NULL"},"content":{"rendered":"<p> \u5bf9\u4e8e\u7ed3\u679c\u96c6\u5305\u542bNULL\u7684\u60c5\u51b5\uff1a<br \/>\n1\uff0c\u5f53\u7528IN\u65f6\uff0c\u82e5\u5728\u7ed3\u679c\u96c6\u4e2d\u5b58\u5728\uff0c\u5219\u8fd4\u56deTRUE,\u82e5\u5728\u7ed3\u679c\u96c6\u4e2d\u4e0d\u5b58\u5728\uff0c\u56e0\u7ed3\u679c\u96c6\u4e2d\u6709NULL\uff0c\u5219\u8fd4\u56deUNKNOWN, UNKNOWN\u7c7b\u4f3c\u4e8eFalse,\u6545\u7528IN\u53ef\u8fd4\u56deTRUE\u6216False,\u540c\u7528Exists\u4e00\u6837\u3002<br \/>\n2\uff0c\u7528IN\u65f6\uff0c\u8fd4\u56deTRUE\u6216UNKNOWN\uff0c\u90a3\u4e48\u7528NOT IN\u65f6\uff0c\u5c31\u8fd4\u56deNOT TRUE \u6216NOT UNKNOWN \u5373\uff1aFalse\u6216NOT UNKNOWN,\u56e0NOT UNKNOWN = UNKNOWN,\u7c7b\u4f3c\u4e8eFalse,\u6545\u5bf9\u4e8e\u7ed3\u679c\u96c6\u5305\u542bNULL\u65f6\uff0c\u4f1a\u4e00\u76f4\u8fd4\u56deFalse!\u5373\u4e00\u76f4\u6ca1\u6709\u7ed3\u679c\u3002<br \/>\n\u6545\uff1a\u5f53\u5f53\u7528NOT IN\u65f6\uff0c\u82e5\u4e0d\u80fd\u4fdd\u8bc1\u7ed3\u679c\u96c6\u4e00\u5b9a\u6ca1\u6709NULL\uff0c\u5219\u6700\u597d\u7528NOT EXISTS<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5bf9\u4e8e\u7ed3\u679c\u96c6\u5305\u542bNULL\u7684\u60c5\u51b5\uff1a 1\uff0c\u5f53\u7528IN\u65f6\uff0c\u82e5\u5728\u7ed3\u679c\u96c6\u4e2d\u5b58\u5728\uff0c\u5219\u8fd4\u56deTRUE,\u82e5\u5728\u7ed3\u679c\u96c6\u4e2d\u4e0d\u5b58\u5728\uff0c\u56e0\u7ed3\u679c\u96c6 [&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-1791","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\/1791","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=1791"}],"version-history":[{"count":0,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/posts\/1791\/revisions"}],"wp:attachment":[{"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/media?parent=1791"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/categories?post=1791"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/tags?post=1791"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}