{"id":8773,"date":"2023-11-28T20:40:59","date_gmt":"2023-11-28T12:40:59","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=8773"},"modified":"2023-11-28T20:41:03","modified_gmt":"2023-11-28T12:41:03","slug":"mysql-zhong-yi-ge6yi-de-biaoa-ge3yi-de-biaob-tong-2","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/mysql-zhong-yi-ge6yi-de-biaoa-ge3yi-de-biaob-tong-2\/","title":{"rendered":"MySQL\u4e2d\u4e00\u4e2a6\u4ebf\u7684\u8868a, \u2014\u4e2a3\u4ebf\u7684\u8868b,\u901a\u8fc7\u5916\u95f4tid\u5173\u8054\uff0c\u4f60\u5982\u4f55\u6700\u5feb\u7684\u67e5\u8be2\u51fa\u6ee1\u8db3\u6761\u4ef6\u7684\u7b2c50000\u5230\u7b2c50200\u4e2d\u7684\u8fd9200\u6761\u6570\u636e\u8bb0\u5f55\u3002"},"content":{"rendered":"<p>1\u3001\t\u5982\u679cA\u8868TID\u662f\u81ea\u589e\u957f\uff0c\u5e76\u4e14\u662f\u8fde\u7eed\u7684\uff0cB\u8868\u7684ID\u4e3a\u7d22\u5f15select * from a, b where a.tid =b.id and a.tid &gt; 500000 limit 200\uff1b<br \/>\n2\u3001\t\u5982\u679cA\u8868\u7684TID\u4e0d\u662f\u8fde\u7eed\u7684\uff0c\u90a3\u4e48\u5c31\u9700\u8981\u4f7f\u7528\u8986\u76d6\u7d22\u5f15.TID\u8981\u4e48\u662f\u4e3b\u952e\uff0c\u8981\u4e48\u662f\u8f85\u52a9\u7d22\u5f15\uff0cB \u8868 ID \u4e5f\u9700\u8981\u6709\u7d22\u5f15\u3002select * from b , (select tid from a limit 50000, 200) a where b.id = a.tid\uff1b<br \/>\nMySQL \u4e2d NOW()\u548c CURRENT_DATE()\u6709\u4ec0\u4e48\u533a\u522b\uff1f<br \/>\nNOW()\u547d\u4ee4\u7528\u4e8e\u663e\u793a\u5f53\u524d\u5e74\u4efd\uff0c\u6708\u4efd\uff0c\u65e5\u671f\uff0c\u5c0f\u65f6\uff0c\u5206\u949f\u548c\u79d2\u3002<br \/>\nCURRENT_DATE ()\u4ec5\u663e\u793a\u5f53\u524d\u5e74\u4efd\uff0c\u6708\u4efd\u548c\u65e5\u671f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1\u3001 \u5982\u679cA\u8868TID\u662f\u81ea\u589e\u957f\uff0c\u5e76\u4e14\u662f\u8fde\u7eed\u7684\uff0cB\u8868\u7684ID\u4e3a\u7d22\u5f15select * from a, b where  [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[102],"tags":[],"class_list":["post-8773","post","type-post","status-publish","format-standard","hentry","category-db"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/8773","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=8773"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/8773\/revisions"}],"predecessor-version":[{"id":8774,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/8773\/revisions\/8774"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=8773"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=8773"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=8773"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}