{"id":200088,"date":"2025-05-06T08:16:42","date_gmt":"2025-05-06T00:16:42","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200088\/"},"modified":"2025-05-06T08:16:42","modified_gmt":"2025-05-06T00:16:42","slug":"%e4%bd%bf%e7%94%a8%e5%8f%82%e6%95%b0%e5%88%9b%e5%bb%bamysql%e8%a7%a6%e5%8f%91%e5%99%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200088\/","title":{"rendered":"\u4f7f\u7528\u53c2\u6570\u521b\u5efaMySQL\u89e6\u53d1\u5668"},"content":{"rendered":"

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

\u4f7f\u7528\u53c2\u6570\u521b\u5efaMySQL\u89e6\u53d1\u5668<\/h1>\n

MySQL\u89e6\u53d1\u5668\u662f\u7528\u4e8e\u76d1\u63a7\u8868\u64cd\u4f5c\u5e76\u6839\u636e\u6761\u4ef6\u6267\u884c\u52a8\u4f5c\u7684\u7a0b\u5e8f\u3002\u901a\u8fc7\u4f7f\u7528\u53c2\u6570\uff0c\u89e6\u53d1\u5668\u53ef\u4ee5\u53d8\u5f97\u66f4\u7075\u6d3b\uff0c\u5141\u8bb8\u4f20\u9012\u6570\u636e\u548c\u4fe1\u606f\uff0c\u4ece\u800c\u9002\u5e94\u5404\u79cd\u60c5\u51b5\u3002\u5728MySQL\u4e2d\uff0c\u89e6\u53d1\u5668\u53ef\u4ee5\u5728\u63d2\u5165\u3001\u66f4\u65b0\u6216\u5220\u9664\u64cd\u4f5c\u4e4b\u524d\u6216\u4e4b\u540e\u89e6\u53d1\u3002\u53c2\u6570\u4f7f\u89e6\u53d1\u5668\u80fd\u591f\u6839\u636e\u9700\u8981\u4f20\u9012\u5fc5\u8981\u7684\u6570\u636e\uff0c\u4f8b\u5982\u8bb0\u5f55\u64cd\u4f5c\u4fe1\u606f\u6216\u5c06\u65b0\u6570\u636e\u63d2\u5165\u5907\u4efd\u8868\u3002\u672c\u6587\u5c06\u901a\u8fc7\u793a\u4f8b\u4ee3\u7801\u5c55\u793aMySQL\u89e6\u53d1\u5668\u4e2d\u53c2\u6570\u7684\u4f7f\u7528\uff0c\u8bf4\u660e\u5982\u4f55\u4f7f\u7528\u53c2\u6570\u589e\u5f3a\u89e6\u53d1\u5668\u7684\u7075\u6d3b\u6027\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u667a\u80fd\u3001\u66f4\u6709\u6548\u7684\u6570\u636e\u5e93\u7ba1\u7406\u548c\u64cd\u4f5c\u3002<\/p>\n

MySQL\u89e6\u53d1\u5668\u662f\u4e00\u79cd\u5728\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u4e2d\u7528\u4e8e\u76d1\u63a7\u7279\u5b9a\u8868\u7684\u64cd\u4f5c\uff0c\u5e76\u6839\u636e\u9884\u5b9a\u4e49\u7684\u6761\u4ef6\u6267\u884c\u76f8\u5e94\u64cd\u4f5c\u7684\u7279\u6b8a\u7a0b\u5e8f\u3002\u5728\u521b\u5efaMySQL\u89e6\u53d1\u5668\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u53c2\u6570\u6765\u7075\u6d3b\u5730\u4f20\u9012\u6570\u636e\u548c\u4fe1\u606f\uff0c\u8ba9\u89e6\u53d1\u5668\u66f4\u5177\u901a\u7528\u6027\u548c\u9002\u7528\u6027\u3002<\/p>\n

\u5728MySQL\u4e2d\uff0c\u89e6\u53d1\u5668\u53ef\u4ee5\u5728\u7279\u5b9a\u8868\u7684INSERT\u3001UPDATE\u3001DELETE\u64cd\u4f5c\u524d\u6216\u8005\u540e\u89e6\u53d1\u6267\u884c\u76f8\u5e94\u7684\u903b\u8f91\u3002\u4f7f\u7528\u53c2\u6570\u53ef\u4ee5\u4f7f\u5f97\u89e6\u53d1\u5668\u66f4\u5177\u7075\u6d3b\u6027\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u8981\u4f20\u9012\u9700\u8981\u7684\u6570\u636e\u7ed9\u89e6\u53d1\u5668\u3002<\/p>\n

\u4e0b\u9762\u6211\u4eec\u6765\u770b\u4e00\u4e9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u6f14\u793aMySQL\u89e6\u53d1\u5668\u4e2d\u53c2\u6570\u7684\u4f7f\u7528\u65b9\u6cd5\u3002<\/p>\n

\u9996\u5148\uff0c\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u793a\u4f8b\u8868students<\/code>\uff0c\u7528\u4e8e\u5b58\u50a8\u5b66\u751f\u4fe1\u606f\uff1a<\/p>\n

CREATE TABLE students (\n    id INT PRIMARY KEY,\n    name VARCHAR(50),\n    age INT\n);<\/pre>\n
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u793a\u4f8b\u89e6\u53d1\u5668trig_student_audit<\/code>\uff0c\u5728\u6bcf\u6b21\u5bf9students<\/code>\u8868\u8fdb\u884cINSERT\u64cd\u4f5c\u65f6\u90fd\u4f1a\u81ea\u52a8\u8bb0\u5f55\u64cd\u4f5c\u7684\u4fe1\u606f\uff1a<\/p>\n
DELIMITER $$\nCREATE TRIGGER trig_student_audit BEFORE INSERT ON students\nFOR EACH ROW\nBEGIN\n    INSERT INTO audit_log (table_name, action, user, timestamp)\n    VALUES ('students', 'INSERT', USER(), NOW());\nEND$$\nDELIMITER ;<\/pre>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3atrig_student_audit<\/code>\u7684\u89e6\u53d1\u5668\uff0c\u5b83\u5728\u6bcf\u6b21\u63d2\u5165\u65b0\u6570\u636e\u5230students<\/code>\u8868\u524d\u89e6\u53d1\uff0c\u5728\u89e6\u53d1\u5668\u5185\u90e8\u5411audit_log<\/code>\u8868\u63d2\u5165\u4e86\u4e00\u6761\u64cd\u4f5c\u8bb0\u5f55\uff0c\u8bb0\u5f55\u4e86\u8868\u540d\u3001\u64cd\u4f5c\u7c7b\u578b\u3001\u6267\u884c\u64cd\u4f5c\u7684\u7528\u6237\u548c\u65f6\u95f4\u6233\u3002<\/p>\n
\u63a5\u7740\uff0c\u6211\u4eec\u518d\u6765\u6f14\u793a\u4e00\u4e2a\u5e26\u53c2\u6570\u7684\u89e6\u53d1\u5668\u793a\u4f8b\u3002\u5047\u8bbe\u6211\u4eec\u8981\u521b\u5efa\u4e00\u4e2a\u89e6\u53d1\u5668\uff0c\u5728\u63d2\u5165\u65b0\u6570\u636e\u540e\uff0c\u81ea\u52a8\u5c06\u65b0\u589e\u5b66\u751f\u7684\u4fe1\u606f\u63d2\u5165\u5230\u53e6\u4e00\u4e2a\u8868student_backup<\/code>\u4e2d\uff1a<\/p>\n
DELIMITER $$\nCREATE TRIGGER trig_student_backup AFTER INSERT ON students\nFOR EACH ROW\nBEGIN\n    INSERT INTO student_backup (id, name, age, created_at)\n    VALUES (NEW.id, NEW.name, NEW.age, NOW());\nEND$$\nDELIMITER ;<\/pre>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3atrig_student_backup<\/code>\u7684\u89e6\u53d1\u5668\uff0c\u5728\u63d2\u5165\u6570\u636e\u540e\u89e6\u53d1\uff0c\u5411student_backup<\/code>\u8868\u63d2\u5165\u4e86\u65b0\u589e\u5b66\u751f\u7684\u4fe1\u606f\uff0c\u5176\u4e2d\u901a\u8fc7\u53c2\u6570NEW<\/code>\u8bbf\u95ee\u4e86\u65b0\u63d2\u5165\u7684\u6570\u636e\u884c\u3002<\/p>\n
\u901a\u8fc7\u4ee5\u4e0a\u8fd9\u4e9b\u89e6\u53d1\u5668\u793a\u4f8b\uff0c\u6211\u4eec\u5c55\u793a\u4e86MySQL\u89e6\u53d1\u5668\u4e2d\u53c2\u6570\u7684\u4f7f\u7528\u65b9\u6cd5\u3002\u89e6\u53d1\u5668\u4e0d\u4ec5\u80fd\u591f\u5728\u6570\u636e\u5e93\u64cd\u4f5c\u524d\u540e\u6267\u884c\u7279\u5b9a\u7684\u903b\u8f91\uff0c\u8fd8\u53ef\u4ee5\u901a\u8fc7\u53c2\u6570\u4f20\u9012\u6570\u636e\u548c\u4fe1\u606f\uff0c\u4f7f\u5f97\u89e6\u53d1\u5668\u903b\u8f91\u66f4\u52a0\u7075\u6d3b\u548c\u5f3a\u5927\u3002\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u548c\u4e1a\u52a1\u573a\u666f\uff0c\u7075\u6d3b\u8fd0\u7528\u89e6\u53d1\u5668\u548c\u53c2\u6570\uff0c\u5b9e\u73b0\u66f4\u52a0\u667a\u80fd\u548c\u9ad8\u6548\u7684\u6570\u636e\u5e93\u7ba1\u7406\u548c\u64cd\u4f5c\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\u4e3b\u673a\u5b9d\u8d1d\uff01\u66f4\u591a\u5173\u4e8e\u6570\u636e\u5e93\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u3002<\/p>\n
\n
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\u4f7f\u7528\u53c2\u6570\u521b\u5efaMySQL\u89e6\u53d1\u5668 M...<\/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-200088","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200088","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=200088"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200088\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200088"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200088"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200088"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}