{"id":200185,"date":"2025-05-06T11:27:02","date_gmt":"2025-05-06T03:27:02","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200185\/"},"modified":"2025-05-06T11:27:02","modified_gmt":"2025-05-06T03:27:02","slug":"mysql%e4%b9%90%e8%a7%82%e9%94%81%e9%9c%80%e8%a6%81%e6%9b%b4%e6%94%b9%e9%9a%94%e7%a6%bb%e7%ba%a7%e5%88%ab%e4%b8%ba%e8%af%bb%e6%8f%90%e4%ba%a4%e5%90%97%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200185\/","title":{"rendered":"MySQL\u4e50\u89c2\u9501\u9700\u8981\u66f4\u6539\u9694\u79bb\u7ea7\u522b\u4e3a\u8bfb\u63d0\u4ea4\u5417\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

MySQL\u4e50\u89c2\u9501\u9700\u8981\u66f4\u6539\u9694\u79bb\u7ea7\u522b\u4e3a\u8bfb\u63d0\u4ea4\u5417\uff1f<\/h1>\n<\/p>\n

<\/p>\n

mysql\u4e50\u89c2\u9501\u662f\u5426\u9700\u8981\u66f4\u6539\u9694\u79bb\u7ea7\u522b\u4e3a\u8bfb\u63d0\u4ea4<\/strong><\/p>\n

\u4e50\u89c2\u9501\u9700\u8981\u5728\u4e8b\u52a1\u6267\u884c\u671f\u95f4\u8bfb\u53d6\u8bb0\u5f55\u662f\u5426\u53d1\u751f\u66f4\u6539\uff0c\u8fd9\u4f7f\u5f97\u8bb8\u591a\u5f00\u53d1\u8005\u8ba4\u4e3a\u9700\u8981\u5c06\u4e8b\u52a1\u9694\u79bb\u7ea7\u522b\u66f4\u6539\u4e3a\u201c\u8bfb\u63d0\u4ea4\u201d\u3002\u7136\u800c\uff0c\u662f\u5426\u9700\u8981\u8fdb\u884c\u6b64\u66f4\u6539\u5f15\u53d1\u4e86\u4e00\u7cfb\u5217\u8ba8\u8bba\u3002<\/p>\n

\u4fdd\u6301\u53ef\u91cd\u590d\u8bfb\u9694\u79bb\u7ea7\u522b<\/strong><\/p>\n

mysql\u7684\u9ed8\u8ba4\u9694\u79bb\u7ea7\u522b\u662f\u53ef\u91cd\u590d\u8bfb\uff08rr\uff09\u3002\u5728\u8fd9\u4e2a\u7ea7\u522b\u4e0b\uff0c\u4e8b\u52a1\u4e2d\u8bfb\u5230\u7684\u6570\u636e\u5728\u4e8b\u52a1\u5b8c\u6210\u4e4b\u524d\u4e0d\u4f1a\u88ab\u5176\u4ed6\u4e8b\u52a1\u4fee\u6539\u3002\u8fd9\u79cd\u9694\u79bb\u7ea7\u522b\u4fdd\u8bc1\u4e86\u4e50\u89c2\u9501\u7684\u6b63\u786e\u6267\u884c\uff0c\u56e0\u4e3a\u5b83\u5141\u8bb8\u4e8b\u52a1\u8bfb\u53d6\u5176\u4ed6\u63d0\u4ea4\u4e8b\u52a1\u540e\u7684\u6700\u65b0\u8bb0\u5f55\u3002<\/p>\n

\u4f7f\u7528\u5f53\u524d\u8bfb<\/strong><\/p>\n

\u4e00\u4e9b\u5f00\u53d1\u8005\u8ba4\u4e3a\uff0c\u5373\u4f7f\u4fdd\u6301rr\u9694\u79bb\u7ea7\u522b\uff0c\u4e50\u89c2\u9501\u4ecd\u7136\u53ef\u4ee5\u901a\u8fc7\u201c\u5f53\u524d\u8bfb\u201d\u5b9e\u73b0\u3002\u5f53\u524d\u8bfb\u662f\u4e00\u79cd\u9501\u7c7b\u578b\uff0c\u5141\u8bb8\u4e8b\u52a1\u8bfb\u53d6\u5df2\u63d0\u4ea4\u7684\u8bb0\u5f55\uff0c\u5373\u4f7f\u8fd9\u4e9b\u8bb0\u5f55\u5df2\u88ab\u5176\u4ed6\u5e76\u53d1\u4e8b\u52a1\u4fee\u6539\u3002<\/p>\n

\u6d4b\u8bd5\u7ed3\u679c<\/strong><\/p>\n

\u672c\u6587\u4e2d\u7684\u5f00\u53d1\u8005\u901a\u8fc7\u5b9e\u9645\u6d4b\u8bd5\uff0c\u8bc1\u5b9e\u4e86\u4f7f\u7528\u5f53\u524d\u8bfb\u7684\u8bf4\u6cd5\u662f\u6b63\u786e\u7684\u3002\u5979\u5728rr\u9694\u79bb\u7ea7\u522b\u4e0b\u6267\u884c\u4ee5\u4e0b\u66f4\u65b0\u8bed\u53e5\uff1a<\/p>\n

update ... where stock=...<\/pre>\n
\u6d4b\u8bd5\u8868\u660e\uff0c\u8be5\u8bed\u53e5\u786e\u5b9e\u4f1a\u52a0x\u9501\uff0c\u8fd9\u662f\u4e00\u79cd\u5f53\u524d\u8bfb\u9501\u3002\u8fd9\u610f\u5473\u7740\u8be5\u8bed\u53e5\u5728\u6267\u884c\u65f6\uff0c\u5c06\u8bfb\u53d6\u5df2\u63d0\u4ea4\u7684\u8bb0\u5f55\uff08\u5c3d\u7ba1\u5176\u4ed6\u5e76\u53d1\u4e8b\u52a1\u53ef\u80fd\u4f1a\u770b\u5230\u66f4\u65b0\u4e4b\u524d\u7684\u65e7\u6570\u636e\uff0c\u8fd9\u662frr\u9694\u79bb\u7ea7\u522b\u56fa\u6709\u7684\u9650\u5236\uff09\u3002<\/p>\n
\u7ed3\u8bba<\/strong><\/p>\n
\u56e0\u6b64\uff0c\u5728mysql\u4e2d\u5b9e\u73b0\u4e50\u89c2\u9501\u65f6\uff0c\u4e0d\u9700\u8981<\/strong>\u5c06\u4e8b\u52a1\u9694\u79bb\u7ea7\u522b\u66f4\u6539\u4e3a\u8bfb\u63d0\u4ea4\u3002\u9ed8\u8ba4\u7684rr\u9694\u79bb\u7ea7\u522b\uff0c\u914d\u5408\u5f53\u524d\u8bfb\u9501\uff0c\u8db3\u4ee5\u786e\u4fdd\u5e76\u53d1\u4e8b\u52a1\u4e2d\u7684\u6570\u636e\u4e00\u81f4\u6027\u548c\u4e50\u89c2\u9501\u7684\u6b63\u786e\u6267\u884c\u3002<\/p>\n
\u672c\u7bc7\u5173\u4e8e\u300aMySQL\u4e50\u89c2\u9501\u9700\u8981\u66f4\u6539\u9694\u79bb\u7ea7\u522b\u4e3a\u8bfb\u63d0\u4ea4\u5417\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
 \u7248\u672c\u58f0\u660e \u672c\u6587\u8f6c\u8f7d\u4e8e\uff1aphp \u5982\u6709\u4fb5\u72af\uff0c\u8bf7\u8054\u7cfb \u5220\u9664 <\/p>\n
\n
\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
MySQL\u4e50\u89c2\u9501\u9700\u8981\u66f4\u6539\u9694\u79bb\u7ea7\u522b...<\/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-200185","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200185","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=200185"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200185\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200185"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200185"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200185"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}