{"id":7700,"date":"2024-11-14T14:01:25","date_gmt":"2024-11-14T06:01:25","guid":{"rendered":"https:\/\/fwq.ai\/blog\/7700\/"},"modified":"2024-11-14T14:01:25","modified_gmt":"2024-11-14T06:01:25","slug":"mysql-update%e8%af%ad%e5%8f%a5%e5%90%8c%e6%97%b6%e6%8c%87%e5%ae%9a%e5%a4%9a%e4%b8%aa%e5%ad%97%e6%ae%b5%e6%9d%a1%e4%bb%b6%e4%bc%9a%e9%94%81%e8%a1%a8%e5%90%97%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/7700\/","title":{"rendered":"MySQL UPDATE\u8bed\u53e5\u540c\u65f6\u6307\u5b9a\u591a\u4e2a\u5b57\u6bb5\u6761\u4ef6\u4f1a\u9501\u8868\u5417\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173115144657308.jpg\" class=\"aligncenter\" title=\"MySQL UPDATE\u8bed\u53e5\u540c\u65f6\u6307\u5b9a\u591a\u4e2a\u5b57\u6bb5\u6761\u4ef6\u4f1a\u9501\u8868\u5417\uff1f\u63d2\u56fe\" alt=\"MySQL UPDATE\u8bed\u53e5\u540c\u65f6\u6307\u5b9a\u591a\u4e2a\u5b57\u6bb5\u6761\u4ef6\u4f1a\u9501\u8868\u5417\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>UPDATE\u8bed\u53e5\u540c\u65f6\u6307\u5b9a\u591a\u4e2a\u5b57\u6bb5\u6761\u4ef6\u662f\u5426\u4f1a\u9501\u8868\uff1f<\/strong><\/p>\n<p>\u5728MySQL\u4e2d\uff0c\u4f7f\u7528UPDATE\u8bed\u53e5\u66f4\u65b0\u6570\u636e\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528WHERE\u5b50\u53e5\u6307\u5b9a\u6761\u4ef6\u4ee5\u7b5b\u9009\u51fa\u9700\u8981\u66f4\u65b0\u7684\u884c\u3002\u5bf9\u4e8eWHERE\u5b50\u53e5\uff0c\u53ef\u4ee5\u540c\u65f6\u6307\u5b9a\u591a\u4e2a\u5b57\u6bb5\u6761\u4ef6\u3002\u90a3\u4e48\uff0c\u5f53\u540c\u65f6\u6307\u5b9a\u591a\u4e2a\u5b57\u6bb5\u6761\u4ef6\u65f6\uff0cMySQL\u662f\u5426\u4f1a\u9501\u8868\u8fd8\u662f\u9501\u884c\uff1f<\/p>\n<p><strong>\u89e3\u7b54<\/strong><\/p>\n<p>\u5728MySQL\u4e2d\uff0c\u540c\u65f6\u6307\u5b9a\u591a\u4e2a\u5b57\u6bb5\u6761\u4ef6\u7684UPDATE\u8bed\u53e5\u4f1a\u9501\u884c\uff0c\u800c\u4e0d\u662f\u9501\u8868\u3002\u5f53MySQL\u6267\u884cUPDATE\u8bed\u53e5\u65f6\uff0c\u5b83\u4f1a\u9996\u5148\u7b5b\u9009\u51fa\u6ee1\u8db3WHERE\u5b50\u53e5\u6761\u4ef6\u7684\u6240\u6709\u884c\u3002\u7136\u540e\uff0cMySQL\u4f1a\u5bf9\u6bcf\u884c\u5206\u522b\u8fdb\u884c\u66f4\u65b0\uff0c\u5e76\u540c\u65f6\u5bf9\u5176\u8fdb\u884c\u884c\u9501\u3002\u56e0\u6b64\uff0c\u5176\u4ed6\u4f1a\u8bdd\u53ea\u80fd\u5bf9\u672a\u9501\u5b9a\u7684\u884c\u8fdb\u884c\u64cd\u4f5c\uff0c\u4e0d\u4f1a\u53d7\u5230\u5f71\u54cd\u3002<\/p>\n<p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5373\u4f7f\u540c\u65f6\u6307\u5b9a\u591a\u4e2a\u5b57\u6bb5\u6761\u4ef6\uff0cMySQL\u4e5f\u53ea\u4f1a\u5728\u7b5b\u9009\u51fa\u7684\u884c\u4e0a\u52a0\u9501\u3002\u8fd9\u4f7f\u5f97\u5176\u4ed6\u4f1a\u8bdd\u53ef\u4ee5\u7ee7\u7eed\u8bbf\u95ee\u672a\u53d7\u5f71\u54cd\u7684\u6570\u636e\uff0c\u4ece\u800c\u63d0\u9ad8\u5e76\u53d1\u6027\u548c\u6027\u80fd\u3002<\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5728MySQL 5.7\u7248\u672c\u4e4b\u540e\uff0c\u9ed8\u8ba4\u5f00\u542f\u4e86ONLY_FULL_GROUP_BY\u7b56\u7565\uff0c\u8981\u6c42SELECT\u8bed\u53e5\u4e2d\u6d89\u53ca\u7684\u5b57\u6bb5\u5fc5\u987b\u51fa\u73b0\u5728GROUP BY\u5b50\u53e5\u4e2d\u6216\u4f5c\u4e3a\u7684\u53c2\u6570\u3002\u56e0\u6b64\uff0c\u5982\u679c\u4f60\u7684SELECT\u8bed\u53e5\u4e0d\u6ee1\u8db3\u8fd9\u4e2a\u7b56\u7565\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u9519\u8bef\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fMySQL UPDATE\u8bed\u53e5\u540c\u65f6\u6307\u5b9a\u591a\u4e2a\u5b57\u6bb5\u6761\u4ef6\u4f1a\u9501\u8868\u5417\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>UPDATE\u8bed\u53e5\u540c\u65f6\u6307\u5b9a\u591a\u4e2a\u5b57\u6bb5\u6761\u4ef6\u662f\u5426\u4f1a\u9501\u8868\uff1f \u5728MySQL\u4e2d\uff0c\u4f7f\u7528UPDATE\u8bed\u53e5\u66f4\u65b0\u6570\u636e\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528WHERE\u5b50\u53e5\u6307\u5b9a\u6761\u4ef6\u4ee5\u7b5b\u9009\u51fa\u9700\u8981\u66f4\u65b0\u7684\u884c\u3002\u5bf9\u4e8eWHERE\u5b50\u53e5\uff0c\u53ef\u4ee5\u540c\u65f6\u6307\u5b9a\u591a\u4e2a\u5b57\u6bb5\u6761\u4ef6\u3002\u90a3\u4e48\uff0c\u5f53\u540c\u65f6\u6307\u5b9a\u591a\u4e2a\u5b57\u6bb5\u6761\u4ef6\u65f6\uff0cMySQL\u662f\u5426\u4f1a\u9501\u8868\u8fd8\u662f\u9501\u884c\uff1f \u89e3\u7b54 \u5728MySQL\u4e2d\uff0c\u540c\u65f6\u6307\u5b9a\u591a\u4e2a\u5b57\u6bb5\u6761\u4ef6\u7684UPDATE\u8bed\u53e5\u4f1a\u9501\u884c\uff0c\u800c\u4e0d\u662f\u9501\u8868\u3002\u5f53MySQL\u6267\u884cUPDATE\u8bed\u53e5\u65f6\uff0c\u5b83\u4f1a\u9996\u5148\u7b5b\u9009\u51fa\u6ee1\u8db3WHERE\u5b50\u53e5\u6761\u4ef6\u7684\u6240\u6709\u884c\u3002\u7136\u540e\uff0cMySQL\u4f1a\u5bf9\u6bcf\u884c\u5206\u522b\u8fdb\u884c\u66f4\u65b0\uff0c\u5e76\u540c\u65f6\u5bf9\u5176\u8fdb\u884c\u884c\u9501\u3002\u56e0\u6b64\uff0c\u5176\u4ed6\u4f1a\u8bdd\u53ea\u80fd\u5bf9\u672a\u9501\u5b9a\u7684\u884c\u8fdb\u884c\u64cd\u4f5c\uff0c\u4e0d\u4f1a\u53d7\u5230\u5f71\u54cd\u3002 \u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5373\u4f7f\u540c\u65f6\u6307\u5b9a\u591a\u4e2a\u5b57\u6bb5\u6761\u4ef6\uff0cMySQL\u4e5f\u53ea\u4f1a\u5728\u7b5b\u9009\u51fa\u7684\u884c\u4e0a\u52a0\u9501\u3002\u8fd9\u4f7f\u5f97\u5176\u4ed6\u4f1a\u8bdd\u53ef\u4ee5\u7ee7\u7eed\u8bbf\u95ee\u672a\u53d7\u5f71\u54cd\u7684\u6570\u636e\uff0c\u4ece\u800c\u63d0\u9ad8\u5e76\u53d1\u6027\u548c\u6027\u80fd\u3002 \u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5728MySQL 5.7\u7248\u672c\u4e4b\u540e\uff0c\u9ed8\u8ba4\u5f00\u542f\u4e86ONLY_FULL_GROUP_BY\u7b56\u7565\uff0c\u8981\u6c42SELECT\u8bed\u53e5\u4e2d\u6d89\u53ca\u7684\u5b57\u6bb5\u5fc5\u987b\u51fa\u73b0\u5728GROUP BY\u5b50\u53e5\u4e2d\u6216\u4f5c\u4e3a\u7684\u53c2\u6570\u3002\u56e0\u6b64\uff0c\u5982\u679c\u4f60\u7684SELECT\u8bed\u53e5\u4e0d\u6ee1\u8db3\u8fd9\u4e2a\u7b56\u7565\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u9519\u8bef\u3002 \u4ee5\u4e0a\u5c31\u662fMySQL UPDATE\u8bed\u53e5\u540c\u65f6\u6307\u5b9a\u591a\u4e2a\u5b57\u6bb5\u6761\u4ef6\u4f1a\u9501\u8868\u5417\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-7700","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/7700","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=7700"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/7700\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=7700"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=7700"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=7700"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}