{"id":200044,"date":"2025-05-06T09:20:54","date_gmt":"2025-05-06T01:20:54","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200044\/"},"modified":"2025-05-06T09:20:54","modified_gmt":"2025-05-06T01:20:54","slug":"mysql%e4%b8%ad%e7%9a%84%e6%95%b0%e6%8d%ae%e4%bf%ae%e6%94%b9%e6%93%8d%e4%bd%9c%e6%98%af%e5%90%a6%e4%bc%9a%e7%ab%8b%e5%8d%b3%e7%94%9f%e6%95%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200044\/","title":{"rendered":"MySQL\u4e2d\u7684\u6570\u636e\u4fee\u6539\u64cd\u4f5c\u662f\u5426\u4f1a\u7acb\u5373\u751f\u6548\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>MySQL\u4e2d\u7684\u6570\u636e\u4fee\u6539\u64cd\u4f5c\u662f\u5426\u4f1a\u7acb\u5373\u751f\u6548\uff1f<\/h1>\n<p>\u6570\u636e\u5e93\u5c0f\u767d\u4e00\u679a\uff0c\u6b63\u5728\u4e0d\u65ad\u5b66\u4e60\u79ef\u7d2f\u77e5\u8bc6\uff0c\u73b0\u5c06\u5b66\u4e60\u5230\u7684\u77e5\u8bc6\u8bb0\u5f55\u4e00\u4e0b\uff0c\u4e5f\u662f\u5c06\u6211\u7684\u6240\u5f97\u5206\u4eab\u7ed9\u5927\u5bb6\uff01\u800c\u4eca\u5929\u8fd9\u7bc7\u6587\u7ae0\u300aMySQL\u4e2d\u7684\u6570\u636e\u4fee\u6539\u64cd\u4f5c\u662f\u5426\u4f1a\u7acb\u5373\u751f\u6548\uff1f\u300b\u5e26\u5927\u5bb6\u6765\u4e86\u89e3\u4e00\u4e0b##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n<p><\/p>\n<p>MySQL\u4e2d\u6570\u636e\u4fee\u6539\u64cd\u4f5c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u662f\u81ea\u52a8\u63d0\u4ea4\u7684\uff0c\u5373\u6bcf\u6b21\u6267\u884cUPDATE\u3001INSERT\u3001DELETE\u7b49\u4fee\u6539\u6570\u636e\u7684\u64cd\u4f5c\u540e\uff0c\u90fd\u4f1a\u7acb\u5373\u751f\u6548\u5e76\u63d0\u4ea4\u5230\u6570\u636e\u5e93\u4e2d\u3002\u8fd9\u6837\u505a\u7684\u597d\u5904\u662f\u786e\u4fdd\u6570\u636e\u7684\u4e00\u81f4\u6027\u548c\u6301\u4e45\u6027\uff0c\u4f46\u6709\u65f6\u4e5f\u4f1a\u5e26\u6765\u4e00\u5b9a\u7684\u98ce\u9669\uff0c\u6bd4\u5982\u5728\u6267\u884c\u591a\u4e2a\u4fee\u6539\u64cd\u4f5c\u65f6\uff0c\u53ef\u80fd\u5e0c\u671b\u4e00\u6b21\u6027\u63d0\u4ea4\u6240\u6709\u64cd\u4f5c\uff0c\u800c\u4e0d\u662f\u6bcf\u4e2a\u64cd\u4f5c\u90fd\u7acb\u5373\u63d0\u4ea4\u3002<\/p>\n<p>MySQL\u63d0\u4f9b\u4e86\u4e8b\u52a1\u7684\u6982\u5ff5\uff0c\u53ef\u4ee5\u624b\u52a8\u63a7\u5236\u6570\u636e\u4fee\u6539\u64cd\u4f5c\u7684\u63d0\u4ea4\uff0c\u4ece\u800c\u5b9e\u73b0\u4e00\u6b21\u6027\u63d0\u4ea4\u591a\u4e2a\u64cd\u4f5c\u6216\u8005\u56de\u6eda\u64cd\u4f5c\u3002<\/p>\n<p>\u4e0b\u9762\u6211\u5c06\u901a\u8fc7\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u6f14\u793aMySQL\u4e2d\u6570\u636e\u4fee\u6539\u64cd\u4f5c\u7684\u81ea\u52a8\u63d0\u4ea4\u7279\u6027\u4ee5\u53ca\u5982\u4f55\u624b\u52a8\u63a7\u5236\u63d0\u4ea4\u3002<\/p>\n<p>\u9996\u5148\uff0c\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a&#8221;test_table&#8221;\u7684\u8868\uff0c\u7ed3\u6784\u5982\u4e0b\uff1a<\/p>\n<pre>CREATE TABLE test_table (\n    id INT PRIMARY KEY,\n    name VARCHAR(50)\n);<\/pre>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u63d2\u5165\u4e00\u4e9b\u6d4b\u8bd5\u6570\u636e\uff1a<\/p>\n<pre>INSERT INTO test_table (id, name) VALUES (1, 'Alice');\nINSERT INTO test_table (id, name) VALUES (2, 'Bob');\nINSERT INTO test_table (id, name) VALUES (3, 'Charlie');<\/pre>\n<p>\u73b0\u5728\u6211\u4eec\u5c1d\u8bd5\u6267\u884c\u4e00\u4e2a\u7b80\u5355\u7684UPDATE\u8bed\u53e5\u6765\u4fee\u6539\u6570\u636e\uff0c\u5e76\u67e5\u770b\u81ea\u52a8\u63d0\u4ea4\u7684\u6548\u679c\uff1a<\/p>\n<pre>UPDATE test_table SET name = 'David' WHERE id = 1;\nSELECT * FROM test_table;<\/pre>\n<p>\u6267\u884c\u5b8c\u4ee5\u4e0a\u8bed\u53e5\u540e\uff0c\u53ef\u4ee5\u770b\u5230\u6570\u636e\u5df2\u7ecf\u6210\u529f\u88ab\u4fee\u6539\u4e86\uff0c\u8bf4\u660e\u4fee\u6539\u64cd\u4f5c\u662f\u81ea\u52a8\u63d0\u4ea4\u7684\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u901a\u8fc7\u8bbe\u7f6e\u4e8b\u52a1\u6765\u624b\u52a8\u63a7\u5236\u6570\u636e\u4fee\u6539\u64cd\u4f5c\u7684\u63d0\u4ea4\uff1a<\/p>\n<pre>START TRANSACTION;\nUPDATE test_table SET name = 'Eve' WHERE id = 2;<\/pre>\n<p>\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u4f7f\u7528<code>START TRANSACTION<\/code>\u6765\u5f00\u59cb\u4e00\u4e2a\u4e8b\u52a1\uff0c\u5e76\u5728\u66f4\u65b0\u6570\u636e\u7684\u64cd\u4f5c\u540e\u6682\u65f6\u4e0d\u63d0\u4ea4\u3002<\/p>\n<p>\u63a5\u7740\u6211\u4eec\u5c1d\u8bd5\u67e5\u8be2\u6570\u636e\uff0c\u6b64\u65f6\u4fee\u6539\u8fd8\u672a\u63d0\u4ea4\uff0c\u6240\u4ee5\u67e5\u8be2\u4ecd\u7136\u4f1a\u8fd4\u56de\u4e4b\u524d\u7684\u6570\u636e\uff1a<\/p>\n<pre>SELECT * FROM test_table;<\/pre>\n<p>\u63a5\u7740\u6211\u4eec\u624b\u52a8\u63d0\u4ea4\u8fd9\u4e2a\u4e8b\u52a1\uff1a<\/p>\n<pre>COMMIT;<\/pre>\n<p>\u6267\u884c\u5b8c\u4ee5\u4e0a\u8bed\u53e5\u540e\uff0c\u518d\u6b21\u67e5\u8be2\u6570\u636e\uff0c\u53d1\u73b0\u6570\u636e\u5df2\u7ecf\u6210\u529f\u88ab\u4fee\u6539\u4e86\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u5982\u679c\u60f3\u8981\u64a4\u9500\u4e4b\u524d\u7684\u4fee\u6539\u64cd\u4f5c\u5e76\u56de\u6eda\u4e8b\u52a1\uff0c\u53ef\u4ee5\u4f7f\u7528<code>ROLLBACK<\/code>\u547d\u4ee4\uff1a<\/p>\n<pre>START TRANSACTION;\nUPDATE test_table SET name = 'Grace' WHERE id = 3;\nSELECT * FROM test_table;\nROLLBACK;\nSELECT * FROM test_table;<\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6267\u884c<code>ROLLBACK<\/code>\u540e\u53d1\u73b0\u6570\u636e\u6ca1\u6709\u88ab\u4fee\u6539\uff0c\u8bf4\u660e\u4e8b\u52a1\u5df2\u7ecf\u6210\u529f\u56de\u6eda\u4e86\u3002<\/p>\n<p>\u901a\u8fc7\u4ee5\u4e0a\u793a\u4f8b\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u5728MySQL\u4e2d\u6570\u636e\u4fee\u6539\u64cd\u4f5c\u662f\u9ed8\u8ba4\u81ea\u52a8\u63d0\u4ea4\u7684\uff0c\u4f46\u53ef\u4ee5\u901a\u8fc7\u4e8b\u52a1\u6765\u624b\u52a8\u63a7\u5236\u63d0\u4ea4\u6216\u56de\u6eda\u64cd\u4f5c\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u7075\u6d3b\u7684\u6570\u636e\u64cd\u4f5c\u65b9\u5f0f\u3002<\/p>\n<p>\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300aMySQL\u4e2d\u7684\u6570\u636e\u4fee\u6539\u64cd\u4f5c\u662f\u5426\u4f1a\u7acb\u5373\u751f\u6548\uff1f\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8emysql,\u6570\u636e\u4fee\u6539,\u81ea\u52a8\u63d0\u4ea4\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>MySQL\u4e2d\u7684\u6570\u636e\u4fee\u6539\u64cd\u4f5c\u662f\u5426\u4f1a&#46;&#46;&#46;<\/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-200044","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200044","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=200044"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200044\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200044"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200044"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200044"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}