{"id":199734,"date":"2025-05-06T10:37:33","date_gmt":"2025-05-06T02:37:33","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199734\/"},"modified":"2025-05-06T10:37:33","modified_gmt":"2025-05-06T02:37:33","slug":"mysql%e4%ba%8b%e5%8a%a1%e7%9a%84%e6%9c%80%e4%bd%b3%e5%ba%94%e7%94%a8%e5%9c%ba%e6%99%af%ef%bc%9a5%e7%a7%8d%e6%83%85%e5%86%b5%e4%b8%8b%e6%8e%a8%e8%8d%90%e4%bd%bf%e7%94%a8%e4%ba%8b%e5%8a%a1","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199734\/","title":{"rendered":"MySQL\u4e8b\u52a1\u7684\u6700\u4f73\u5e94\u7528\u573a\u666f\uff1a5\u79cd\u60c5\u51b5\u4e0b\u63a8\u8350\u4f7f\u7528\u4e8b\u52a1"},"content":{"rendered":"

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

MySQL\u4e8b\u52a1\u7684\u6700\u4f73\u5e94\u7528\u573a\u666f\uff1a5\u79cd\u60c5\u51b5\u4e0b\u63a8\u8350\u4f7f\u7528\u4e8b\u52a1<\/h1>\n

\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5206\u4eab\u300aMySQL\u4e8b\u52a1\u7684\u6700\u4f73\u5e94\u7528\u573a\u666f\uff1a5\u79cd\u60c5\u51b5\u4e0b\u63a8\u8350\u4f7f\u7528\u4e8b\u52a1\u300b\uff0c\u8986\u76d6\u4e86\u6570\u636e\u5e93\u7684\u5e38\u89c1\u57fa\u7840\u77e5\u8bc6\uff0c\u5176\u5b9e\u4e00\u4e2a\u8bed\u8a00\u7684\u5168\u90e8\u77e5\u8bc6\u70b9\u4e00\u7bc7\u6587\u7ae0\u662f\u4e0d\u53ef\u80fd\u8bf4\u5b8c\u7684\uff0c\u4f46\u5e0c\u671b\u901a\u8fc7\u8fd9\u4e9b\u95ee\u9898\uff0c\u8ba9\u8bfb\u8005\u5bf9\u81ea\u5df1\u7684\u638c\u63e1\u7a0b\u5ea6\u6709\u4e00\u5b9a\u7684\u8ba4\u8bc6(B \u6570)\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u66f4\u597d\u7684\u638c\u63e1\u5b83\u3002<\/p>\n

MySQL\u4e8b\u52a1\u5e94\u7528\u6307\u5357\uff1a5\u79cd\u60c5\u51b5\u4e0b\u6700\u9002\u5408\u4f7f\u7528\u4e8b\u52a1\uff0c\u9700\u8981\u5177\u4f53\u4ee3\u7801\u793a\u4f8b<\/p>\n

\u5728\u6570\u636e\u5e93\u7ba1\u7406\u9886\u57df\u4e2d\uff0c\u4e8b\u52a1\u5904\u7406\u662f\u4e00\u79cd\u91cd\u8981\u7684\u6280\u672f\u624b\u6bb5\uff0c\u53ef\u4ee5\u786e\u4fdd\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u4e00\u81f4\u6027\u3001\u5b8c\u6574\u6027\u548c\u53ef\u9760\u6027\u3002\u800cMySQL\u4f5c\u4e3a\u4e00\u79cd\u6d41\u884c\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u4e5f\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u4e8b\u52a1\u652f\u6301\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5408\u7406\u5730\u8fd0\u7528\u4e8b\u52a1\u53ef\u4ee5\u6709\u6548\u5730\u4fdd\u8bc1\u6570\u636e\u7684\u51c6\u786e\u6027\u548c\u53ef\u9760\u6027\u3002\u672c\u6587\u5c06\u4ecb\u7ecdMySQL\u4e8b\u52a1\u7684\u57fa\u672c\u6982\u5ff5\uff0c\u4ee5\u53ca\u57285\u79cd\u5178\u578b\u60c5\u51b5\u4e0b\u6700\u9002\u5408\u4f7f\u7528\u4e8b\u52a1\u7684\u793a\u4f8b\u4ee3\u7801\u3002<\/p>\n

1. \u8f6c\u8d26\u64cd\u4f5c<\/h2>\n

\u8f6c\u8d26\u64cd\u4f5c\u662f\u4e00\u4e2a\u7ecf\u5178\u7684\u4f7f\u7528\u4e8b\u52a1\u7684\u573a\u666f\uff0c\u786e\u4fdd\u8f6c\u8d26\u7684\u539f\u5b50\u6027\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n

START TRANSACTION;\nUPDATE account SET balance = balance - 100 WHERE account_id = '001';\nUPDATE account SET balance = balance + 100 WHERE account_id = '002';\nCOMMIT;<\/pre>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528\u4e86START TRANSACTION<\/code>\u5f00\u59cb\u4e8b\u52a1\uff0c\u7136\u540e\u6267\u884c\u4e24\u6b21\u66f4\u65b0\u64cd\u4f5c\uff0c\u6700\u540e\u4f7f\u7528COMMIT<\/code>\u63d0\u4ea4\u4e8b\u52a1\u3002\u5728\u6b64\u8fc7\u7a0b\u4e2d\uff0c\u5982\u679c\u4efb\u4f55\u4e00\u6b65\u5931\u8d25\uff0c\u6574\u4e2a\u4e8b\u52a1\u5c06\u4f1a\u56de\u6eda\uff0c\u4fdd\u8bc1\u4e86\u539f\u5b50\u6027\u3002<\/p>\n
2. \u8ba2\u5355\u5904\u7406<\/h2>\n
\u5904\u7406\u8ba2\u5355\u6d89\u53ca\u5230\u5bf9\u8ba2\u5355\u8868\u548c\u5e93\u5b58\u8868\u7684\u66f4\u65b0\u64cd\u4f5c\uff0c\u5982\u679c\u4e0d\u4f7f\u7528\u4e8b\u52a1\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u8ba2\u5355\u6570\u636e\u548c\u5e93\u5b58\u6570\u636e\u4e0d\u4e00\u81f4\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u8ba2\u5355\u5904\u7406\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
START TRANSACTION;\nUPDATE orders SET status = 'processed' WHERE order_id = '123';\nUPDATE inventory SET quantity = quantity - 1 WHERE product_id = 'A';\nCOMMIT;<\/pre>\n
\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u53ea\u6709\u5728\u8ba2\u5355\u72b6\u6001\u66f4\u65b0\u548c\u5e93\u5b58\u4fe1\u606f\u66f4\u65b0\u90fd\u6210\u529f\u7684\u60c5\u51b5\u4e0b\uff0c\u624d\u4f1a\u5c06\u6574\u4e2a\u64cd\u4f5c\u63d0\u4ea4\uff0c\u4fdd\u8bc1\u4e86\u6570\u636e\u7684\u4e00\u81f4\u6027\u3002<\/p>\n
3. \u6570\u636e\u5e93\u5907\u4efd<\/h2>\n
\u5728\u8fdb\u884c\u6570\u636e\u5e93\u5907\u4efd\u65f6\uff0c\u901a\u5e38\u9700\u8981\u5c06\u5f53\u524d\u6570\u636e\u5e93\u72b6\u6001\u4fdd\u5b58\u5230\u4e00\u4e2a\u5907\u4efd\u6587\u4ef6\u4e2d\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u53ef\u4ee5\u901a\u8fc7\u4e8b\u52a1\u6765\u786e\u4fdd\u4e00\u81f4\u6027\uff0c\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
START TRANSACTION;\nSELECT * INTO OUTFILE '\/backup\/backup.sql' FROM mytable;\nCOMMIT;<\/pre>\n
\u4ee5\u4e0a\u4ee3\u7801\u5c06\u6570\u636e\u5e93\u8868mytable<\/code>\u7684\u6570\u636e\u5bfc\u51fa\u5230\/backup\/backup.sql<\/code>\u6587\u4ef6\u4e2d\u3002\u4f7f\u7528\u4e8b\u52a1\u53ef\u4ee5\u4fdd\u8bc1\u5728\u5907\u4efd\u8fc7\u7a0b\u4e2d\u4e0d\u4f1a\u53d1\u751f\u6570\u636e\u7684\u63d2\u5165\u3001\u66f4\u65b0\u6216\u5220\u9664\u64cd\u4f5c\uff0c\u9632\u6b62\u5907\u4efd\u6570\u636e\u4e0d\u4e00\u81f4\u3002<\/p>\n
4. \u6279\u91cf\u6570\u636e\u5904\u7406<\/h2>\n
\u5728\u8fdb\u884c\u6279\u91cf\u6570\u636e\u5904\u7406\u65f6\uff0c\u9700\u8981\u786e\u4fdd\u6240\u6709\u6570\u636e\u64cd\u4f5c\u7684\u4e00\u81f4\u6027\uff0c\u907f\u514d\u90e8\u5206\u6570\u636e\u5904\u7406\u6210\u529f\u800c\u90e8\u5206\u5931\u8d25\u7684\u60c5\u51b5\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u6279\u91cf\u6570\u636e\u5904\u7406\u793a\u4f8b\uff1a<\/p>\n
START TRANSACTION;\nINSERT INTO users (name, age) VALUES ('Alice', 25);\nINSERT INTO users (name, age) VALUES ('Bob', 30);\nINSERT INTO users (name, age) VALUES ('Charlie', 28);\nCOMMIT;<\/pre>\n
\u4f7f\u7528\u4e8b\u52a1\u53ef\u4ee5\u4fdd\u8bc1\u8fd9\u4e9b\u63d2\u5165\u64cd\u4f5c\u8981\u4e48\u5168\u90e8\u6210\u529f\uff0c\u8981\u4e48\u5168\u90e8\u5931\u8d25\uff0c\u4fdd\u8bc1\u4e86\u6570\u636e\u7684\u5b8c\u6574\u6027\u3002<\/p>\n
5. \u590d\u6742\u4e1a\u52a1\u903b\u8f91<\/h2>\n
\u5728\u6d89\u53ca\u5230\u590d\u6742\u7684\u4e1a\u52a1\u903b\u8f91\u65f6\uff0c\u901a\u5e38\u9700\u8981\u6267\u884c\u591a\u4e2aSQL\u64cd\u4f5c\u6765\u5b9e\u73b0\u67d0\u4e2a\u4e1a\u52a1\u6d41\u7a0b\u3002\u4f7f\u7528\u4e8b\u52a1\u53ef\u4ee5\u5c06\u8fd9\u4e9b\u64cd\u4f5c\u4f5c\u4e3a\u4e00\u4e2a\u6574\u4f53\u6765\u6267\u884c\uff0c\u4fdd\u8bc1\u4e1a\u52a1\u903b\u8f91\u7684\u6b63\u786e\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n
START TRANSACTION;\nINSERT INTO orders (order_id, customer_id, total_amount) VALUES ('456', '001', 100);\nUPDATE account SET balance = balance - 100 WHERE account_id = '001';\nCOMMIT;<\/pre>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u5c06\u8ba2\u5355\u63d2\u5165\u548c\u8d26\u6237\u66f4\u65b0\u4f5c\u4e3a\u4e00\u4e2a\u4e8b\u52a1\u6267\u884c\uff0c\u907f\u514d\u4e86\u8ba2\u5355\u63d2\u5165\u6210\u529f\u800c\u8d26\u6237\u66f4\u65b0\u5931\u8d25\u7684\u98ce\u9669\u3002<\/p>\n
\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5408\u7406\u8fd0\u7528\u4e8b\u52a1\u53ef\u4ee5\u6709\u6548\u5730\u786e\u4fdd\u6570\u636e\u7684\u4e00\u81f4\u6027\u548c\u53ef\u9760\u6027\u3002\u5728\u4e0a\u8ff05\u79cd\u5178\u578b\u60c5\u51b5\u4e0b\uff0c\u4f7f\u7528\u4e8b\u52a1\u662f\u6700\u4e3a\u5408\u9002\u7684\u9009\u62e9\uff0c\u901a\u8fc7\u4e8b\u52a1\u7684\u539f\u5b50\u6027\u548c\u9694\u79bb\u6027\u53ef\u4ee5\u6709\u6548\u5730\u4fdd\u8bc1\u6570\u636e\u64cd\u4f5c\u7684\u51c6\u786e\u6027\u3002\u5e0c\u671b\u672c\u6587\u5bf9\u4e8eMySQL\u4e8b\u52a1\u7684\u5e94\u7528\u6307\u5bfc\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n
\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aMySQL\u4e8b\u52a1\u7684\u6700\u4f73\u5e94\u7528\u573a\u666f\uff1a5\u79cd\u60c5\u51b5\u4e0b\u63a8\u8350\u4f7f\u7528\u4e8b\u52a1\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6570\u636e\u5e93\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n
\n
\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
MySQL\u4e8b\u52a1\u7684\u6700\u4f73\u5e94\u7528\u573a\u666f\uff1a5...<\/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-199734","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199734","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=199734"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199734\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199734"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199734"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199734"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}