{"id":199714,"date":"2025-05-06T08:58:41","date_gmt":"2025-05-06T00:58:41","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199714\/"},"modified":"2025-05-06T08:58:41","modified_gmt":"2025-05-06T00:58:41","slug":"mysql%e5%9c%a8%e6%8f%92%e5%85%a5%e6%95%b0%e6%8d%ae%e5%90%8e%e8%bf%94%e5%9b%9e%e7%9a%84%e7%bb%93%e6%9e%9c%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199714\/","title":{"rendered":"MySQL\u5728\u63d2\u5165\u6570\u636e\u540e\u8fd4\u56de\u7684\u7ed3\u679c\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>MySQL\u5728\u63d2\u5165\u6570\u636e\u540e\u8fd4\u56de\u7684\u7ed3\u679c\u662f\u4ec0\u4e48\uff1f<\/h1>\n<p>\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5206\u4eab\u300aMySQL\u5728\u63d2\u5165\u6570\u636e\u540e\u8fd4\u56de\u7684\u7ed3\u679c\u662f\u4ec0\u4e48\uff1f\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<p>\u63d2\u5165\u6570\u636e\u540eMySQL\u8fd4\u56de\u7684\u662f\u4e00\u4e2a\u6d88\u606f\uff0c\u544a\u8bc9\u4f60\u6570\u636e\u662f\u5426\u6210\u529f\u63d2\u5165\uff0c\u5e76\u63d0\u4f9b\u4e00\u4e9b\u6709\u7528\u7684\u4fe1\u606f\u3002\u5f53\u63d2\u5165\u6210\u529f\u65f6\uff0cMySQL\u4f1a\u8fd4\u56de\u4e00\u4e2a\u6210\u529f\u6d88\u606f\uff0c\u5305\u62ec\u63d2\u5165\u7684\u884c\u6570\u4ee5\u53ca\u4efb\u4f55\u5176\u4ed6\u76f8\u5173\u4fe1\u606f\u3002\u5982\u679c\u63d2\u5165\u5931\u8d25\uff0cMySQL\u4f1a\u8fd4\u56de\u4e00\u4e2a\u9519\u8bef\u6d88\u606f\uff0c\u6307\u793a\u5931\u8d25\u7684\u539f\u56e0\u4ee5\u53ca\u53ef\u80fd\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u63d2\u5165\u6570\u636e\u540eMySQL\u8fd4\u56de\u6d88\u606f\u7684\u60c5\u51b5\uff1a<\/p>\n<p>\u9996\u5148\uff0c\u5728MySQL\u4e2d\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a&#8221;example_table&#8221;\u7684\u793a\u4f8b\u8868\u683c\uff0c\u7ed3\u6784\u5982\u4e0b\uff1a<\/p>\n<pre>CREATE TABLE example_table (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    name VARCHAR(50),\n    age INT\n);<\/pre>\n<p>\u7136\u540e\uff0c\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u63d2\u5165\u4e00\u884c\u6570\u636e\u5230&#8221;example_table&#8221;\u8868\u4e2d\uff1a<\/p>\n<pre>INSERT INTO example_table (name, age) VALUES ('Alice', 25);<\/pre>\n<p>\u6267\u884c\u4ee5\u4e0a\u4ee3\u7801\u540e\uff0c\u5982\u679c\u63d2\u5165\u6210\u529f\uff0cMySQL\u5c06\u8fd4\u56de\u6d88\u606f\u7c7b\u4f3c\u4e8e\uff1a<\/p>\n<pre>Query OK, 1 row affected<\/pre>\n<p>\u8fd9\u8868\u793a\u6210\u529f\u63d2\u5165\u4e861\u884c\u6570\u636e\u3002\u5982\u679c\u63d2\u5165\u5931\u8d25\uff0c\u53ef\u80fd\u4f1a\u8fd4\u56de\u9519\u8bef\u6d88\u606f\uff0c\u6307\u793a\u5931\u8d25\u7684\u539f\u56e0\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre>ERROR 1062 (23000): Duplicate entry 'Alice' for key 'name'<\/pre>\n<p>\u8fd9\u8868\u793a\u7531\u4e8e\u552f\u4e00\u952e\u7ea6\u675f\uff0c\u63d2\u5165\u6570\u636e\u5931\u8d25\uff0c\u56e0\u4e3aname\u5b57\u6bb5\u4e0d\u80fd\u91cd\u590d\u3002<\/p>\n<p>\u7efc\u4e0a\u6240\u8ff0\uff0c\u5f53\u63d2\u5165\u6570\u636e\u540e\uff0cMySQL\u4f1a\u6839\u636e\u64cd\u4f5c\u7684\u7ed3\u679c\u8fd4\u56de\u76f8\u5e94\u7684\u6d88\u606f\uff0c\u5e2e\u52a9\u4f60\u4e86\u89e3\u6570\u636e\u63d2\u5165\u64cd\u4f5c\u7684\u662f\u5426\u6210\u529f\uff0c\u5e76\u63d0\u4f9b\u9519\u8bef\u4fe1\u606f\u4ee5\u4fbf\u8fdb\u884c\u8c03\u8bd5\u548c\u4fee\u590d\u3002<\/p>\n<p>\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aMySQL\u5728\u63d2\u5165\u6570\u636e\u540e\u8fd4\u56de\u7684\u7ed3\u679c\u662f\u4ec0\u4e48\uff1f\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<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>MySQL\u5728\u63d2\u5165\u6570\u636e\u540e\u8fd4\u56de\u7684\u7ed3\u679c&#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-199714","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199714","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=199714"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199714\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199714"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199714"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199714"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}