{"id":8362,"date":"2023-11-28T20:26:11","date_gmt":"2023-11-28T12:26:11","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=8362"},"modified":"2023-11-28T20:26:15","modified_gmt":"2023-11-28T12:26:15","slug":"mysql-zhong-ru-he-xiesql-neng-gou-you-xiao-de-shi","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/mysql-zhong-ru-he-xiesql-neng-gou-you-xiao-de-shi\/","title":{"rendered":"MySQL\u4e2d\u5982\u4f55\u5199sql\u80fd\u591f\u6709\u6548\u7684\u4f7f\u7528\u5230\u590d\u5408\u7d22\u5f15\uff1f"},"content":{"rendered":"<p>\u590d\u5408\u7d22\u5f15\uff0c\u4e5f\u53eb\u7ec4\u5408\u7d22\u5f15\uff0c\u7528\u6237\u53ef\u4ee5\u5728\u591a\u4e2a\u5217\u4e0a\u5efa\u7acb\u7d22\u5f15\uff0c\u8fd9\u79cd\u7d22\u5f15\u53eb\u505a\u590d\u5408\u7d22\u5f15\u3002<br \/>\n\u5f53\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u7ec4\u5408\u7d22\u5f15\u7684\u65f6\u5019,\u5982(kl, k2, k3),\u76f8\u5f53\u4e8e\u521b\u5efa\u4e86(kl)\u3001(kl, k2)\u548c(kl, k2, k3)\u4e09\u4e2a\u7d22\u5f15\uff0c\u8fd9\u5c31\u662f\u6700\u5de6\u5339\u914d\u539f\u5219\u3002<br \/>\nselect * from table where kl=A AND k2=B AND k3=D<br \/>\n\u6709\u5173\u4e8e\u590d\u5408\u7d22\u5f15\uff0c\u6211\u4eec\u9700\u8981\u5173\u6ce8\u67e5\u8be2Sql\u6761\u4ef6\u7684\u987a\u5e8f\uff0c\u786e\u4fdd\u6700\u5de6\u5339\u914d\u539f\u5219\u6709\u6548\uff0c\u540c\u65f6\u53ef\u4ee5\u5220\u9664 \u4e0d\u5fc5\u8981\u7684\u5197\u4f59\u7d22\u5f15\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u590d\u5408\u7d22\u5f15\uff0c\u4e5f\u53eb\u7ec4\u5408\u7d22\u5f15\uff0c\u7528\u6237\u53ef\u4ee5\u5728\u591a\u4e2a\u5217\u4e0a\u5efa\u7acb\u7d22\u5f15\uff0c\u8fd9\u79cd\u7d22\u5f15\u53eb\u505a\u590d\u5408\u7d22\u5f15\u3002 \u5f53\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u7ec4\u5408\u7d22\u5f15\u7684\u65f6\u5019,\u5982( [&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-8362","post","type-post","status-publish","format-standard","hentry","category-db"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/8362","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=8362"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/8362\/revisions"}],"predecessor-version":[{"id":8363,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/8362\/revisions\/8363"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=8362"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=8362"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=8362"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}