{"id":185566,"date":"2024-11-10T22:38:28","date_gmt":"2024-11-10T14:38:28","guid":{"rendered":"https:\/\/server.hk\/cnblog\/185566\/"},"modified":"2024-11-10T22:38:29","modified_gmt":"2024-11-10T14:38:29","slug":"%e4%ba%8b%e5%8b%99%e7%ae%a1%e7%90%86%ef%bc%9a%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b3%bb%e7%b5%b1%e4%b8%8d%e5%8f%af%e6%88%96%e7%bc%ba%e7%9a%84%e9%87%8d%e8%a6%81%e9%83%a8%e5%88%86%ef%bc%88%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/185566\/","title":{"rendered":"\u4e8b\u52d9\u7ba1\u7406\uff1a\u6578\u64da\u5eab\u7cfb\u7d71\u4e0d\u53ef\u6216\u7f3a\u7684\u91cd\u8981\u90e8\u5206\uff08\u6578\u64da\u5eab\u7cfb\u7d71\u7684\u4e8b\u52d9\uff09"},"content":{"rendered":"<h1 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id=\"%e4%ba%8b%e5%8b%99%e7%9a%84%e5%af%a6%e7%8f%be-ZnwSmNEIrE\">\u4e8b\u52d9\u7684\u5be6\u73fe<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u4e8b\u52d9\u7684\u5be6\u73fe\u901a\u5e38\u4f9d\u8cf4\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\u7684\u652f\u6301\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684SQL\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728MySQL\u4e2d\u4f7f\u7528\u4e8b\u52d9\uff1a<\/p>\n<pre><code>START TRANSACTION;\n\nUPDATE accounts SET balance = balance - 100 WHERE account_id = 1;\nUPDATE accounts SET balance = balance + 100 WHERE account_id = 2;\n\nCOMMIT;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u5169\u500b\u66f4\u65b0\u64cd\u4f5c\u88ab\u5305\u88dd\u5728\u4e00\u500b\u4e8b\u52d9\u4e2d\u3002\u5982\u679c\u5176\u4e2d\u4e00\u500b\u64cd\u4f5c\u5931\u6557\uff0c\u5247\u53ef\u4ee5\u4f7f\u7528ROLLBACK\u547d\u4ee4\u64a4\u92b7\u6240\u6709\u64cd\u4f5c\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<h2 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href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a><\/em>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u4e8b\u52d9\u7ba1\u7406\u5728\u6578\u64da\u5eab\u7cfb\u7d71\u4e2d\u7684\u95dc\u9375\u89d2\u8272\uff0c\u4e86\u89e3\u5176\u5982\u4f55\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-185566","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185566","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=185566"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185566\/revisions"}],"predecessor-version":[{"id":185567,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185566\/revisions\/185567"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=185566"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=185566"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=185566"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}