{"id":6587,"date":"2024-11-14T10:18:48","date_gmt":"2024-11-14T02:18:48","guid":{"rendered":"https:\/\/fwq.ai\/blog\/6587\/"},"modified":"2024-11-14T10:18:48","modified_gmt":"2024-11-14T02:18:48","slug":"mysql%e4%b8%bb%e9%94%ae%e6%98%af%e4%bb%80%e4%b9%88%e6%84%8f%e6%80%9d","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/6587\/","title":{"rendered":"mysql\u4e3b\u952e\u662f\u4ec0\u4e48\u610f\u601d"},"content":{"rendered":"<blockquote><p>\n  mysql \u4e3b\u952e\u662f\u552f\u4e00\u6807\u8bc6\u6570\u636e\u5e93\u8868\u4e2d\u6bcf\u4e00\u884c\u6570\u636e\u7684\u5217\u6216\u5217\u96c6\u5408\u3002\u5b83\u7528\u4e8e\u786e\u4fdd\u6570\u636e\u5b8c\u6574\u6027\u3001\u5efa\u7acb\u9ad8\u6548\u7d22\u5f15\u3001\u7ef4\u62a4\u5916\u952e\u5173\u7cfb\uff0c\u5e76\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u521b\u5efa\uff1a\u6307\u5b9a primary key \u7ea6\u675f\uff0c\u9009\u62e9\u552f\u4e00\u3001\u4e0d\u53d8\u4e14\u5177\u6709\u826f\u597d\u9009\u62e9\u6027\u7684\u5217\u4f5c\u4e3a\u4e3b\u952e\u3002\u901a\u8fc7\u6b63\u786e\u4f7f\u7528\u4e3b\u952e\uff0c\u53ef\u4ee5\u63d0\u9ad8\u8868\u7684\u6027\u80fd\u548c\u53ef\u7ef4\u62a4\u6027\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202408\/06\/2024080618370979962.jpg\" class=\"aligncenter\" title=\"mysql\u4e3b\u952e\u662f\u4ec0\u4e48\u610f\u601d\u63d2\u56fe\" alt=\"mysql\u4e3b\u952e\u662f\u4ec0\u4e48\u610f\u601d\u63d2\u56fe\" \/><\/p>\n<p><strong>\u4ec0\u4e48\u662f MySQL \u4e3b\u952e\uff1f<\/strong><\/p>\n<p>MySQL \u4e3b\u952e\u662f\u4e00\u79cd\u5bf9\u6570\u636e\u5e93\u8868\u4e2d\u7684\u6bcf\u4e00\u884c\u6570\u636e\u8fdb\u884c\u552f\u4e00\u6807\u8bc6\u7684\u7279\u6b8a\u5217\u6216\u5217\u96c6\u5408\u3002\u5b83\u7528\u4e8e\u533a\u5206\u8868\u4e2d\u7684\u6bcf\u6761\u8bb0\u5f55\uff0c\u786e\u4fdd\u6570\u636e\u5b8c\u6574\u6027\u5e76\u521b\u5efa\u9ad8\u6548\u7684\u7d22\u5f15\u3002<\/p>\n<p><strong>\u4e3b\u952e\u7684\u4f5c\u7528\uff1a<\/strong><\/p>\n<ul>\n<li> <strong>\u552f\u4e00\u6807\u8bc6\u884c\uff1a<\/strong>\u4e3b\u952e\u503c\u5728\u8868\u4e2d\u7684\u6bcf\u4e00\u884c\u90fd\u662f\u552f\u4e00\u7684\uff0c\u8fd9\u5141\u8bb8\u5feb\u901f\u9ad8\u6548\u5730\u67e5\u627e\u548c\u5f15\u7528\u7279\u5b9a\u884c\u3002<\/li>\n<li> <strong>\u7ef4\u62a4\u6570\u636e\u5b8c\u6574\u6027\uff1a<\/strong>\u4e3b\u952e\u7ea6\u675f\u9632\u6b62\u5728\u4e3b\u952e\u5217\u4e2d\u63d2\u5165\u91cd\u590d\u503c\uff0c\u786e\u4fdd\u8868\u4e2d\u4e0d\u4f1a\u51fa\u73b0\u5197\u4f59\u6570\u636e\u3002<\/li>\n<li> <strong>\u7d22\u5f15\u4f18\u5316\uff1a<\/strong>\u4e3b\u952e\u5f80\u5f80\u88ab\u7528\u4f5c\u7d22\u5f15\uff0c\u8fd9\u53ef\u4ee5\u663e\u8457\u52a0\u5feb\u5bf9\u8868\u6570\u636e\u7684\u8bbf\u95ee\u3002<\/li>\n<li> <strong>\u5916\u952e\u5173\u7cfb\uff1a<\/strong>\u4e3b\u952e\u503c\u4e5f\u53ef\u4f5c\u4e3a\u5176\u4ed6\u8868\u7684\u5916\u952e\uff0c\u7528\u4e8e\u5efa\u7acb\u8868\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/li>\n<\/ul>\n<p><strong>\u521b\u5efa\u4e3b\u952e\uff1a<\/strong><\/p>\n<p>\u5728\u521b\u5efa MySQL \u8868\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528 PRIMARY KEY \u7ea6\u675f\u6765\u6307\u5b9a\u4e3b\u952e\u5217\uff1a<\/p>\n<pre>CREATE TABLE table_name (\n  id INT NOT NULL AUTO_INCREMENT,\n  name VARCHAR(255),\n  PRIMARY KEY (id)\n);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cid \u5217\u88ab\u6307\u5b9a\u4e3a INT \u6570\u636e\u7c7b\u578b\uff0c\u5e76\u4e14\u7531\u4e8e NOT NULL \u7ea6\u675f\uff0c\u5b83\u4e0d\u5141\u8bb8\u4e3a NULL \u503c\u3002AUTO_INCREMENT \u5c5e\u6027\u5c06\u81ea\u52a8\u751f\u6210\u552f\u4e00 ID\uff0c\u786e\u4fdd\u8868\u4e2d\u7684\u6bcf\u4e00\u884c\u90fd\u6709\u4e00\u4e2a\u552f\u4e00\u7684\u6807\u8bc6\u7b26\u3002<\/p>\n<p><strong>\u9009\u62e9\u4e3b\u952e\u5217\uff1a<\/strong><\/p>\n<p>\u9009\u62e9\u5408\u9002\u7684\u5217\u4f5c\u4e3a\u4e3b\u952e\u65f6\uff0c\u5e94\u8003\u8651\u4ee5\u4e0b\u56e0\u7d20\uff1a<\/p>\n<ul>\n<li> <strong>\u552f\u4e00\u6027\uff1a<\/strong>\u5217\u503c\u5fc5\u987b\u5728\u8868\u4e2d\u662f\u552f\u4e00\u7684\u3002<\/li>\n<li> <strong>\u4e0d\u53d8\u6027\uff1a<\/strong>\u5217\u503c\u4e0d\u5e94\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\u800c\u66f4\u6539\u3002<\/li>\n<li> <strong>\u9009\u62e9\u6027\uff1a<\/strong>\u5217\u503c\u5e94\u5e7f\u6cdb\u5206\u5e03\uff0c\u4ee5\u4f18\u5316\u7d22\u5f15\u6548\u7387\u3002<\/li>\n<li> <strong>\u6570\u636e\u7c7b\u578b\uff1a<\/strong>\u6574\u6570\u6216\u5b57\u7b26\u4e32\u7b49\u7b80\u5355\u6570\u636e\u7c7b\u578b\u901a\u5e38\u662f\u4e3b\u952e\u7684\u826f\u597d\u9009\u62e9\u3002<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u6b63\u786e\u9009\u62e9\u548c\u4f7f\u7528\u4e3b\u952e\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u5347 MySQL \u8868\u7684\u6027\u80fd\u3001\u6570\u636e\u5b8c\u6574\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u4e3b\u952e\u662f\u4ec0\u4e48\u610f\u601d\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>mysql \u4e3b\u952e\u662f\u552f\u4e00\u6807\u8bc6\u6570\u636e\u5e93\u8868\u4e2d\u6bcf\u4e00\u884c\u6570\u636e\u7684\u5217\u6216\u5217\u96c6\u5408\u3002\u5b83\u7528\u4e8e\u786e\u4fdd\u6570\u636e\u5b8c\u6574\u6027\u3001\u5efa\u7acb\u9ad8\u6548\u7d22\u5f15\u3001\u7ef4\u62a4\u5916\u952e\u5173\u7cfb\uff0c\u5e76\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u521b\u5efa\uff1a\u6307\u5b9a primary key \u7ea6\u675f\uff0c\u9009\u62e9\u552f\u4e00\u3001\u4e0d\u53d8\u4e14\u5177\u6709\u826f\u597d\u9009\u62e9\u6027\u7684\u5217\u4f5c\u4e3a\u4e3b\u952e\u3002\u901a\u8fc7\u6b63\u786e\u4f7f\u7528\u4e3b\u952e\uff0c\u53ef\u4ee5\u63d0\u9ad8\u8868\u7684\u6027\u80fd\u548c\u53ef\u7ef4\u62a4\u6027\u3002 \u4ec0\u4e48\u662f MySQL \u4e3b\u952e\uff1f MySQL \u4e3b\u952e\u662f\u4e00\u79cd\u5bf9\u6570\u636e\u5e93\u8868\u4e2d\u7684\u6bcf\u4e00\u884c\u6570\u636e\u8fdb\u884c\u552f\u4e00\u6807\u8bc6\u7684\u7279\u6b8a\u5217\u6216\u5217\u96c6\u5408\u3002\u5b83\u7528\u4e8e\u533a\u5206\u8868\u4e2d\u7684\u6bcf\u6761\u8bb0\u5f55\uff0c\u786e\u4fdd\u6570\u636e\u5b8c\u6574\u6027\u5e76\u521b\u5efa\u9ad8\u6548\u7684\u7d22\u5f15\u3002 \u4e3b\u952e\u7684\u4f5c\u7528\uff1a \u552f\u4e00\u6807\u8bc6\u884c\uff1a\u4e3b\u952e\u503c\u5728\u8868\u4e2d\u7684\u6bcf\u4e00\u884c\u90fd\u662f\u552f\u4e00\u7684\uff0c\u8fd9\u5141\u8bb8\u5feb\u901f\u9ad8\u6548\u5730\u67e5\u627e\u548c\u5f15\u7528\u7279\u5b9a\u884c\u3002 \u7ef4\u62a4\u6570\u636e\u5b8c\u6574\u6027\uff1a\u4e3b\u952e\u7ea6\u675f\u9632\u6b62\u5728\u4e3b\u952e\u5217\u4e2d\u63d2\u5165\u91cd\u590d\u503c\uff0c\u786e\u4fdd\u8868\u4e2d\u4e0d\u4f1a\u51fa\u73b0\u5197\u4f59\u6570\u636e\u3002 \u7d22\u5f15\u4f18\u5316\uff1a\u4e3b\u952e\u5f80\u5f80\u88ab\u7528\u4f5c\u7d22\u5f15\uff0c\u8fd9\u53ef\u4ee5\u663e\u8457\u52a0\u5feb\u5bf9\u8868\u6570\u636e\u7684\u8bbf\u95ee\u3002 \u5916\u952e\u5173\u7cfb\uff1a\u4e3b\u952e\u503c\u4e5f\u53ef\u4f5c\u4e3a\u5176\u4ed6\u8868\u7684\u5916\u952e\uff0c\u7528\u4e8e\u5efa\u7acb\u8868\u4e4b\u95f4\u7684\u5173\u7cfb\u3002 \u521b\u5efa\u4e3b\u952e\uff1a \u5728\u521b\u5efa MySQL \u8868\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528 PRIMARY KEY \u7ea6\u675f\u6765\u6307\u5b9a\u4e3b\u952e\u5217\uff1a CREATE TABLE table_name ( id INT NOT NULL AUTO_INCREMENT, name VARCHAR(255), PRIMARY KEY (id) ); \u767b\u5f55\u540e\u590d\u5236 \u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cid \u5217\u88ab\u6307\u5b9a\u4e3a INT \u6570\u636e\u7c7b\u578b\uff0c\u5e76\u4e14\u7531\u4e8e NOT NULL \u7ea6\u675f\uff0c\u5b83\u4e0d\u5141\u8bb8\u4e3a NULL \u503c\u3002AUTO_INCREMENT \u5c5e\u6027\u5c06\u81ea\u52a8\u751f\u6210\u552f\u4e00 ID\uff0c\u786e\u4fdd\u8868\u4e2d\u7684\u6bcf\u4e00\u884c\u90fd\u6709\u4e00\u4e2a\u552f\u4e00\u7684\u6807\u8bc6\u7b26\u3002 \u9009\u62e9\u4e3b\u952e\u5217\uff1a \u9009\u62e9\u5408\u9002\u7684\u5217\u4f5c\u4e3a\u4e3b\u952e\u65f6\uff0c\u5e94\u8003\u8651\u4ee5\u4e0b\u56e0\u7d20\uff1a \u552f\u4e00\u6027\uff1a\u5217\u503c\u5fc5\u987b\u5728\u8868\u4e2d\u662f\u552f\u4e00\u7684\u3002 \u4e0d\u53d8\u6027\uff1a\u5217\u503c\u4e0d\u5e94\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\u800c\u66f4\u6539\u3002 \u9009\u62e9\u6027\uff1a\u5217\u503c\u5e94\u5e7f\u6cdb\u5206\u5e03\uff0c\u4ee5\u4f18\u5316\u7d22\u5f15\u6548\u7387\u3002 \u6570\u636e\u7c7b\u578b\uff1a\u6574\u6570\u6216\u5b57\u7b26\u4e32\u7b49\u7b80\u5355\u6570\u636e\u7c7b\u578b\u901a\u5e38\u662f\u4e3b\u952e\u7684\u826f\u597d\u9009\u62e9\u3002 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-6587","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6587","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=6587"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6587\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=6587"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=6587"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=6587"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}