{"id":201023,"date":"2025-05-06T11:46:22","date_gmt":"2025-05-06T03:46:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201023\/"},"modified":"2025-05-06T11:46:22","modified_gmt":"2025-05-06T03:46:22","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e5%8d%95%e4%b8%80sql%e8%af%ad%e5%8f%a5%e5%88%a0%e9%99%a4%e5%a4%9a%e8%a1%a8%e6%95%b0%e6%8d%ae%ef%bc%8c%e5%8d%b3%e4%bd%bf%e5%85%b6%e4%b8%ad%e6%9f%90%e4%ba%9b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201023\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528\u5355\u4e00SQL\u8bed\u53e5\u5220\u9664\u591a\u8868\u6570\u636e\uff0c\u5373\u4f7f\u5176\u4e2d\u67d0\u4e9b\u8868\u6ca1\u6709\u5bf9\u5e94\u8bb0\u5f55\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5982\u4f55\u4f7f\u7528\u5355\u4e00SQL\u8bed\u53e5\u5220\u9664\u591a\u8868\u6570\u636e\uff0c\u5373\u4f7f\u5176\u4e2d\u67d0\u4e9b\u8868\u6ca1\u6709\u5bf9\u5e94\u8bb0\u5f55\uff1f<\/h1>\n<p>\u4eca\u5929\u4e3b\u673a\u5b9d\u8d1d\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86\uff0c\u5176\u4e2d\u6d89\u53ca\u5230\u7684\u77e5\u8bc6\u70b9\u5305\u62ec\u7b49\u7b49\uff0c\u65e0\u8bba\u4f60\u662f\u5c0f\u767d\u8fd8\u662f\u8001\u624b\uff0c\u90fd\u9002\u5408\u770b\u4e00\u770b\u54e6~\u6709\u597d\u7684\u5efa\u8bae\u4e5f\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u82e5\u662f\u770b\u5b8c\u6709\u6240\u6536\u83b7\uff0c\u4e5f\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u70b9\u8d5e\u652f\u6301\u5440\uff01\u4e00\u8d77\u52a0\u6cb9\u5b66\u4e60~<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241126\/173258303467451e7ae1c12.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5982\u4f55\u901a\u8fc7\u5355\u4e00sql\u8bed\u53e5\u5b9e\u73b0\u591a\u8868\u5220\u9664\uff1f<\/strong><\/p>\n<p>\u4f60\u5728\u5220\u9664\u591a\u8868\u6570\u636e\u65f6\u9047\u5230\u95ee\u9898\uff0c\u4f60\u7684sql\u8bed\u53e5\u65e0\u6cd5\u6210\u529f\u5220\u9664\u6240\u6709\u76f8\u5173\u8bb0\u5f55\u3002\u8fd9\u662f\u56e0\u4e3a\u4f60\u7684\u8bed\u53e5\u4f7f\u7528\u7684\u662f\u5185\u8fde\u63a5\uff0c\u8fd9\u8981\u6c42\u6240\u6709\u88ab\u8fde\u63a5\u7684\u8868\u90fd\u5fc5\u987b\u542b\u6709\u8981\u5220\u9664\u8bb0\u5f55\u7684id\u3002\u7b2c\u4e09\u5f20\u8868\u4e2d\u6ca1\u6709\u7b26\u5408\u6761\u4ef6\u7684\u6570\u636e\uff0c\u5bfc\u81f4\u524d\u4e24\u5f20\u8868\u4e2d\u7684\u6570\u636e\u4e5f\u65e0\u6cd5\u5220\u9664\u3002<\/p>\n<p>\u8981\u89e3\u51b3\u6b64\u95ee\u9898\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u5de6\u8fde\u63a5\u3002\u5de6\u8fde\u63a5\u5141\u8bb8\u4f60\u5220\u9664\u5728\u4efb\u610f\u4e00\u4e2a\u8868\u4e2d\u5b58\u5728\u8be5id\u7684\u8bb0\u5f55\uff0c\u5373\u4f7f\u5176\u4ed6\u8868\u4e2d\u6ca1\u6709\u5bf9\u5e94\u8bb0\u5f55\u3002<\/p>\n<p><strong>\u6539\u6b63sql\u8bed\u53e5\uff1a<\/strong><\/p>\n<pre>DELETE dish, dish_flavor, setmeal_dish \nFROM dish \nLEFT JOIN dish_flavor ON dish.id = dish_flavor.id\nLEFT JOIN setmeal_dish ON dish.id = setmeal_dish.id\nWHERE dish.id IN (51, 52);<\/pre>\n<p>\u4f7f\u7528\u5de6\u8fde\u63a5\u540e\uff0c\u53ea\u8981\u524d\u4e24\u5f20\u8868\u4e2d\u7684\u4efb\u610f\u4e00\u5f20\u542b\u6709\u9700\u8981\u5220\u9664\u8bb0\u5f55\u7684id\uff0c\u8be5\u8bb0\u5f55\u5c31\u4f1a\u88ab\u5220\u9664\uff0c\u5373\u4f7f\u7b2c\u4e09\u5f20\u8868\u4e2d\u6ca1\u6709\u5bf9\u5e94\u8bb0\u5f55\u3002<\/p>\n<p><strong>sql\u5b66\u4e60\u8d44\u6e90\uff1a<\/strong><\/p>\n<ul>\n<li>w3schools\u6559\u7a0b\uff1ahttps:\/\/www.w3schools.com\/sql\/<\/li>\n<li>\u83dc\u9e1f\u6559\u7a0b\uff1ahttps:\/\/www.runoob.com\/sql\/sql-tutorial.html<\/li>\n<li>sql\u6587\u6863\uff1ahttps:\/\/www.sqlite.org\/lang.html<\/li>\n<\/ul>\n<p>\u672c\u7bc7\u5173\u4e8e\u300a\u5982\u4f55\u4f7f\u7528\u5355\u4e00SQL\u8bed\u53e5\u5220\u9664\u591a\u8868\u6570\u636e\uff0c\u5373\u4f7f\u5176\u4e2d\u67d0\u4e9b\u8868\u6ca1\u6709\u5bf9\u5e94\u8bb0\u5f55\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6570\u636e\u5e93\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u4f7f\u7528\u5355\u4e00SQL\u8bed\u53e5\u5220\u9664\u591a\u8868\u6570&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-201023","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201023","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=201023"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201023\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201023"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201023"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201023"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}