{"id":1808,"date":"2011-07-07T02:23:32","date_gmt":"2011-07-07T02:23:32","guid":{"rendered":"http:\/\/enjoyasp.net\/?p=1808"},"modified":"2011-09-01T09:39:48","modified_gmt":"2011-09-01T09:39:48","slug":"%e9%9b%86%e5%90%88%e5%b1%9e%e4%ba%8e%e7%ad%89%e4%ba%8e%e5%88%a4%e6%96%ad%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/enjoyasp.net\/index.php\/2011\/07\/07\/%e9%9b%86%e5%90%88%e5%b1%9e%e4%ba%8e%e7%ad%89%e4%ba%8e%e5%88%a4%e6%96%ad%e6%96%b9%e6%b3%95\/","title":{"rendered":"sql\u96c6\u5408\u5c5e\u4e8e\u7b49\u4e8e\u5224\u65ad\u65b9\u6cd5"},"content":{"rendered":"<pre escaped=\"true\" lang=\"tsql\">\r\n\/*1\uff0c\u5224\u65ad\u96c6\u5408A\u662f\u5426\u5c5e\u4e8e\u96c6\u5408B\r\n* 2\uff0c\u5224\u65ad\u96c6\u5408A\u662f\u5426\u7b49\u4e8e\u96c6\u5408B\r\n\u82e5\u96c6\u5408wa\u5c5e\u4e8e\u96c6\u5408wb,\u90a3\u4e48wa\u7684\u4efb\u610f\u4e00\u4e2a\u5143\u7d20\u90fd\u4f1a\u5728\u96c6\u5408wb\u4e2d\u5b58\u5728,\u5e76\u4e14wb\u7684\u5143\u7d20\u6570\u91cf\u8981&gt;=wa\u7684\u5143\u7d20\u6570\u91cf*\/\r\n\r\nWITH wa AS (\r\nSELECT 'a1' product\r\nUNION ALL\r\nSELECT 'b2'\r\n),\r\nwb AS (\r\nSELECT 'Ta' TYPE,'a1' product\r\nUNION ALL\r\nSELECT 'Ta' ,'b2'\r\nUNION ALL\r\nSELECT 'Tb' ,'a1'\r\nUNION ALL\r\nSELECT 'Tb' ,'b2'\r\nUNION ALL\r\nSELECT 'Tb' ,'c3'\r\nUNION ALL\r\nSELECT 'Tc' ,'a1'\r\nUNION ALL\r\nSELECT 'Td' ,'b2'     \r\nUNION ALL\r\nSELECT 'Td' ,'c3'  \r\nUNION ALL\r\nSELECT 'Te' ,'a1'\r\nUNION ALL\r\nSELECT 'Te' ,'a1'\r\nUNION ALL\r\nSELECT 'Tf' ,'a1'\r\nUNION ALL\r\nSELECT 'Tf' ,'d1'\r\n)\r\n\r\n\/*\u82e5\u96c6\u5408wa\u5c5e\u4e8e\u96c6\u5408wb,\u90a3\u4e48wa\u7684\u4efb\u610f\u4e00\u4e2a\u5143\u7d20\u90fd\u4f1a\u5728\u96c6\u5408wb\u4e2d\u5b58\u5728,\u5e76\u4e14wb\u7684\u5143\u7d20\u6570\u91cf\u8981&gt;=wa\u7684\u5143\u7d20\u6570\u91cf*\/\r\n\r\n\/* 1,\u96c6\u5408\u5c5e\u4e8e\u5224\u65ad*\/\r\nSELECT b.type\r\nFROM wb b(NOLOCK)\r\nJOIN wa a(NOLOCK) ON b.product = a.product  --\u53d6\u51fa\u81f3\u5c11\u5305\u542bwa\u4e00\u4e2a\u5143\u7d20\u7684\u6240\u6709\u96c6\u5408\r\nGROUP BY b.type\r\nHAVING COUNT(DISTINCT b.product) = (SELECT COUNT(1) FROM wa) --\u4fdd\u8bc1wa\u7684\u4efb\u610f\u4e00\u4e2a\u5143\u7d20\u90fd\u4f1a\u5728\u96c6\u5408wb\u4e2d\u5b58\u5728                                                         --\r\nORDER BY b.type\r\n\r\n\/*2,\u96c6\u5408\u7b49\u4e8e\u5224\u65ad\r\nSELECT b.type\r\nFROM wb b(NOLOCK)\r\nJOIN wa a(NOLOCK) ON b.product = a.product  --\u53d6\u51fa\u81f3\u5c11\u5305\u542bwa\u4e00\u4e2a\u5143\u7d20\u7684\u6240\u6709\u96c6\u5408\r\nWHERE  ( SELECT COUNT(1) FROM wb WHERE wb.type = b.type  ) = ( SELECT COUNT(1) FROM wa) --\u96c6\u5408\u6570\u91cf\u8981\u76f8\u7b49\r\nGROUP BY b.type\r\nHAVING COUNT(DISTINCT b.product) = (SELECT COUNT(1) FROM wa) --\u4fdd\u8bc1wa\u7684\u4efb\u610f\u4e00\u4e2a\u5143\u7d20\u90fd\u4f1a\u5728\u96c6\u5408wb\u4e2d\u5b58\u5728                                                               --\r\nORDER BY b.type\r\n\r\n\r\n*\/<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\/*1\uff0c\u5224\u65ad\u96c6\u5408A\u662f\u5426\u5c5e\u4e8e\u96c6\u5408B * 2\uff0c\u5224\u65ad\u96c6\u5408A\u662f\u5426\u7b49\u4e8e\u96c6\u5408B \u82e5\u96c6\u5408wa\u5c5e\u4e8e\u96c6\u5408wb,\u90a3\u4e48wa\u7684\u4efb\u610f\u4e00\u4e2a [&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-1808","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\/1808","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=1808"}],"version-history":[{"count":0,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/posts\/1808\/revisions"}],"wp:attachment":[{"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/media?parent=1808"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/categories?post=1808"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/tags?post=1808"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}