{"id":187274,"date":"2024-11-11T12:54:18","date_gmt":"2024-11-11T04:54:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/187274\/"},"modified":"2024-11-11T12:54:19","modified_gmt":"2024-11-11T04:54:19","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%ad%bb%e9%8e%96%e5%be%8c%e6%9e%9c%ef%bc%9a%e6%95%b8%e6%93%9a%e5%ae%8c%e6%95%b4%e6%80%a7%e5%8f%97%e6%90%8d%ef%bc%8c%e6%87%89%e7%94%a8%e7%a8%8b%e5%ba%8f%e7%84%a1%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/187274\/","title":{"rendered":"\u6578\u64da\u5eab\u6b7b\u9396\u5f8c\u679c\uff1a\u6578\u64da\u5b8c\u6574\u6027\u53d7\u640d\uff0c\u61c9\u7528\u7a0b\u5e8f\u7121\u6cd5\u97ff\u61c9\uff0c\u696d\u52d9\u6d41\u7a0b\u505c\u6eef\u4e0d\u524d\u3002 (\u6578\u64da\u5eab\u6b7b\u9396\u5f8c\u679c)"},"content":{"rendered":"<h1 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id=\"%e6%95%b8%e6%93%9a%e5%ae%8c%e6%95%b4%e6%80%a7%e5%8f%97%e6%90%8d-eZHDBuxTcX\">\u6578\u64da\u5b8c\u6574\u6027\u53d7\u640d<\/h2>\n<p>\u6578\u64da\u5b8c\u6574\u6027\u662f\u6307\u6578\u64da\u7684\u6e96\u78ba\u6027\u548c\u4e00\u81f4\u6027\u3002\u7576\u6578\u64da\u5eab\u767c\u751f\u6b7b\u9396\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u7684\u66f4\u65b0\u548c\u67e5\u8a62\u64cd\u4f5c\u7121\u6cd5\u6b63\u5e38\u9032\u884c\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u6709\u5169\u500b\u4ea4\u6613\u540c\u6642\u8a66\u5716\u66f4\u65b0\u540c\u4e00\u689d\u8a18\u9304\uff0c\u82e5\u9019\u5169\u500b\u4ea4\u6613\u4e92\u76f8\u7b49\u5f85\uff0c\u5247\u6700\u7d42\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u60c5\u6cc1\u3002\u9019\u7a2e\u4e0d\u4e00\u81f4\u6027\u53ef\u80fd\u6703\u5f71\u97ff\u5230\u5831\u544a\u7684\u6e96\u78ba\u6027\uff0c\u9032\u800c\u5f71\u97ff\u5230\u6c7a\u7b56\u7684\u8cea\u91cf\u3002<\/p>\n<pre><code>-- \u5047\u8a2d\u6709\u5169\u500b\u4ea4\u6613\nBEGIN TRANSACTION;\nUPDATE accounts SET balance = balance - 100 WHERE account_id = 1; -- \u4ea4\u6613A\nUPDATE accounts SET balance = balance + 100 WHERE account_id = 2; -- \u4ea4\u6613B\nCOMMIT;\n<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u60c5\u6cc1\u4e0b\uff0c\u82e5\u4ea4\u6613A\u548c\u4ea4\u6613B\u540c\u6642\u57f7\u884c\uff0c\u4e14\u4e92\u76f8\u7b49\u5f85\u5c0d\u65b9\u91cb\u653e\u9396\uff0c\u5247\u6700\u7d42\u53ef\u80fd\u5c0e\u81f4\u5169\u500b\u8cec\u6236\u7684\u9918\u984d\u7121\u6cd5\u6b63\u78ba\u66f4\u65b0\uff0c\u5f9e\u800c\u5f71\u97ff\u6574\u9ad4\u7684\u6578\u64da\u5b8c\u6574\u6027\u3002<\/p>\n<h2 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