{"id":76580,"date":"2024-10-16T08:00:18","date_gmt":"2024-10-16T00:00:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76580\/"},"modified":"2024-10-16T08:00:18","modified_gmt":"2024-10-16T00:00:18","slug":"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ae%b9%e5%b0%8f%e9%8c%af-mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e5%85%81%e8%a8%b1%e5%b0%8f%e9%8c%af%e8%aa%a4","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76580\/","title":{"rendered":"MySQL\u6578\u64da\u5eab\u5bb9\u5c0f\u932f (MySQL\u6578\u64da\u5eab\u5141\u8a31\u5c0f\u932f\u8aa4)"},"content":{"rendered":"<h1 id=\"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ae%b9%e5%b0%8f%e9%8c%af%e8%aa%a4-PAQxXQUtSY\">MySQL\u6578\u64da\u5eab\u5bb9\u5c0f\u932f\u8aa4<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u6578\u64da\u7684\u6e96\u78ba\u6027\u548c\u5b8c\u6574\u6027\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u7136\u800c\uff0c\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u6578\u64da\u7684\u8f38\u5165\u548c\u8655\u7406\u904e\u7a0b\u4e2d\u96e3\u514d\u6703\u51fa\u73fe\u4e00\u4e9b\u5c0f\u932f\u8aa4\u3002MySQL\u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u958b\u6e90\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u4e00\u4e9b\u6a5f\u5236\u4f86\u8655\u7406\u9019\u4e9b\u5c0f\u932f\u8aa4\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%b0%8f%e9%8c%af%e8%aa%a4%ef%bc%9f-PAQxXQUtSY\">\u4ec0\u9ebc\u662f\u5c0f\u932f\u8aa4\uff1f<\/h2>\n<p>\u5c0f\u932f\u8aa4\u901a\u5e38\u6307\u7684\u662f\u5728\u6578\u64da\u8f38\u5165\u6216\u8655\u7406\u904e\u7a0b\u4e2d\u51fa\u73fe\u7684\u8f15\u5fae\u4e0d\u4e00\u81f4\u6216\u932f\u8aa4\u3002\u4f8b\u5982\uff0c\u6578\u5b57\u7684\u56db\u6368\u4e94\u5165\u3001\u65e5\u671f\u683c\u5f0f\u7684\u4e0d\u540c\u3001\u6216\u662f\u5b57\u7b26\u4e32\u7684\u5927\u5c0f\u5beb\u554f\u984c\u7b49\u3002\u9019\u4e9b\u932f\u8aa4\u96d6\u7136\u4e0d\u6703\u5c0d\u6574\u9ad4\u6578\u64da\u9020\u6210\u91cd\u5927\u5f71\u97ff\uff0c\u4f46\u5982\u679c\u4e0d\u52a0\u4ee5\u8655\u7406\uff0c\u53ef\u80fd\u6703\u5728\u5f8c\u7e8c\u7684\u6578\u64da\u5206\u6790\u548c\u5831\u544a\u4e2d\u5f15\u767c\u554f\u984c\u3002<\/p>\n<h2 id=\"mysql%e4%b8%ad%e7%9a%84%e5%ae%b9%e9%8c%af%e6%a9%9f%e5%88%b6-PAQxXQUtSY\">MySQL\u4e2d\u7684\u5bb9\u932f\u6a5f\u5236<\/h2>\n<p>MySQL\u63d0\u4f9b\u4e86\u4e00\u4e9b\u529f\u80fd\u4f86\u5e6b\u52a9\u7528\u6236\u8655\u7406\u5c0f\u932f\u8aa4\uff0c\u9019\u4e9b\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u985e\u578b\u7684\u9748\u6d3b\u6027\uff1a<\/strong>MySQL\u652f\u6301\u591a\u7a2e\u6578\u64da\u985e\u578b\uff0c\u4e26\u4e14\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u6703\u81ea\u52d5\u9032\u884c\u985e\u578b\u8f49\u63db\u3002\u4f8b\u5982\uff0c\u7576\u5c07\u5b57\u7b26\u4e32\u63d2\u5165\u5230\u6574\u6578\u985e\u578b\u7684\u5b57\u6bb5\u6642\uff0cMySQL\u6703\u81ea\u52d5\u5c07\u5b57\u7b26\u4e32\u8f49\u63db\u70ba\u6574\u6578\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u56e0\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\u800c\u5c0e\u81f4\u7684\u932f\u8aa4\u3002<\/li>\n<li><strong>\u9ed8\u8a8d\u503c\uff1a<\/strong>\u5728\u5275\u5efa\u8868\u6642\uff0c\u53ef\u4ee5\u70ba\u67d0\u4e9b\u5b57\u6bb5\u8a2d\u7f6e\u9ed8\u8a8d\u503c\u3002\u9019\u6a23\uff0c\u5373\u4f7f\u7528\u6236\u5728\u63d2\u5165\u6578\u64da\u6642\u6f0f\u6389\u4e86\u67d0\u4e9b\u5b57\u6bb5\uff0cMySQL\u4e5f\u6703\u81ea\u52d5\u586b\u5145\u9019\u4e9b\u5b57\u6bb5\u7684\u9ed8\u8a8d\u503c\uff0c\u5f9e\u800c\u907f\u514d\u56e0\u70ba\u7f3a\u5931\u6578\u64da\u800c\u5c0e\u81f4\u7684\u932f\u8aa4\u3002<\/li>\n<li><strong>\u932f\u8aa4\u8655\u7406\u6a5f\u5236\uff1a<\/strong>MySQL\u63d0\u4f9b\u4e86\u591a\u7a2e\u932f\u8aa4\u8655\u7406\u6a5f\u5236\uff0c\u4f8b\u5982\u4f7f\u7528TRY&#8230;CATCH\u8a9e\u53e5\u4f86\u6355\u7372\u548c\u8655\u7406\u932f\u8aa4\u3002\u9019\u6a23\u53ef\u4ee5\u5728\u51fa\u73fe\u932f\u8aa4\u6642\uff0c\u9032\u884c\u76f8\u61c9\u7684\u8655\u7406\uff0c\u800c\u4e0d\u6703\u5c0e\u81f4\u6574\u500b\u64cd\u4f5c\u5931\u6557\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%a1%88%e4%be%8b-PAQxXQUtSY\">\u5be6\u969b\u6848\u4f8b<\/h2>\n<p>\u5047\u8a2d\u6709\u4e00\u500b\u7528\u6236\u8868\uff0c\u5305\u542b\u7528\u6236\u7684\u59d3\u540d\u3001\u5e74\u9f61\u548c\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\u3002\u7528\u6236\u5728\u586b\u5beb\u5e74\u9f61\u6642\uff0c\u53ef\u80fd\u6703\u8f38\u5165\u4e00\u500b\u5b57\u7b26\u4e32\u800c\u4e0d\u662f\u6578\u5b57\u3002\u9019\u6642\uff0cMySQL\u6703\u81ea\u52d5\u5c07\u8a72\u5b57\u7b26\u4e32\u8f49\u63db\u70ba\u6574\u6578\uff0c\u4e26\u4e14\u5982\u679c\u8a72\u5b57\u7b26\u4e32\u7121\u6cd5\u8f49\u63db\uff0c\u5247\u6703\u8a2d\u7f6e\u70ba0\u3002\u9019\u6a23\uff0c\u5373\u4f7f\u7528\u6236\u7684\u8f38\u5165\u4e0d\u6b63\u78ba\uff0c\u6578\u64da\u5eab\u4ecd\u7136\u80fd\u5920\u6b63\u5e38\u904b\u884c\u3002<\/p>\n<pre><code>CREATE TABLE users (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    name VARCHAR(100),\n    age INT DEFAULT 0,\n    email VARCHAR(100)\n);\n<\/code><\/pre>\n<p>\u5728\u63d2\u5165\u6578\u64da\u6642\uff0c\u5982\u679c\u7528\u6236\u8f38\u5165\u4e86\u975e\u6578\u5b57\u7684\u5e74\u9f61\uff0cMySQL\u6703\u5c07\u5176\u8a2d\u7f6e\u70ba0\uff0c\u5f9e\u800c\u907f\u514d\u4e86\u56e0\u70ba\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\u800c\u5c0e\u81f4\u7684\u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%b8%9b%e5%b0%91%e5%b0%8f%e9%8c%af%e8%aa%a4%e7%9a%84%e7%99%bc%e7%94%9f-PAQxXQUtSY\">\u5982\u4f55\u6e1b\u5c11\u5c0f\u932f\u8aa4\u7684\u767c\u751f<\/h2>\n<p>\u5118\u7ba1MySQL\u63d0\u4f9b\u4e86\u5bb9\u932f\u6a5f\u5236\uff0c\u4f46\u4ecd\u7136\u5efa\u8b70\u7528\u6236\u5728\u6578\u64da\u8f38\u5165\u548c\u8655\u7406\u904e\u7a0b\u4e2d\u63a1\u53d6\u4e00\u4e9b\u63aa\u65bd\u4f86\u6e1b\u5c11\u5c0f\u932f\u8aa4\u7684\u767c\u751f\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u9a57\u8b49\uff1a<\/strong>\u5728\u6578\u64da\u8f38\u5165\u968e\u6bb5\uff0c\u9032\u884c\u5fc5\u8981\u7684\u6578\u64da\u9a57\u8b49\uff0c\u4ee5\u78ba\u4fdd\u7528\u6236\u8f38\u5165\u7684\u6578\u64da\u7b26\u5408\u9810\u671f\u683c\u5f0f\u3002<\/li>\n<li><strong>\u4f7f\u7528\u7d04\u675f\u689d\u4ef6\uff1a<\/strong>\u5728\u8868\u4e2d\u8a2d\u7f6e\u7d04\u675f\u689d\u4ef6\uff0c\u4f8b\u5982NOT NULL\u3001UNIQUE\u7b49\uff0c\u4ee5\u9632\u6b62\u4e0d\u6b63\u78ba\u7684\u6578\u64da\u88ab\u63d2\u5165\u3002<\/li>\n<li><strong>\u5b9a\u671f\u6578\u64da\u6e05\u7406\uff1a<\/strong>\u5b9a\u671f\u6aa2\u67e5\u548c\u6e05\u7406\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u6e96\u78ba\u6027\u548c\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-PAQxXQUtSY\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u6578\u64da\u5eab\u7684\u5bb9\u932f\u6a5f\u5236\u80fd\u5920\u6709\u6548\u5730\u8655\u7406\u5c0f\u932f\u8aa4\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002\u901a\u904e\u9748\u6d3b\u7684\u6578\u64da\u985e\u578b\u3001\u81ea\u52d5\u586b\u5145\u9ed8\u8a8d\u503c\u4ee5\u53ca\u932f\u8aa4\u8655\u7406\u6a5f\u5236\uff0cMySQL\u80fd\u5920\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u6e1b\u5c11\u56e0\u5c0f\u932f\u8aa4\u800c\u5c0e\u81f4\u7684\u554f\u984c\u3002\u7136\u800c\uff0c\u70ba\u4e86\u9032\u4e00\u6b65\u63d0\u9ad8\u6578\u64da\u7684\u6e96\u78ba\u6027\uff0c\u5efa\u8b70\u7528\u6236\u5728\u6578\u64da\u8f38\u5165\u548c\u8655\u7406\u904e\u7a0b\u4e2d\u63a1\u53d6\u5fc5\u8981\u7684\u63aa\u65bd\u3002\u4e86\u89e3\u9019\u4e9b\u6a5f\u5236\u548c\u6700\u4f73\u5be6\u8e10\uff0c\u5c0d\u65bc\u4f7f\u7528MySQL\u9032\u884c\u6578\u64da\u7ba1\u7406\u7684\u7528\u6236\u4f86\u8aaa\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u6709\u9032\u4e00\u6b65\u7684\u9700\u6c42\uff0c\u6216\u8005\u9700\u8981\u9ad8\u6548\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u96a8\u6642\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3MySQL\u6578\u64da\u5eab\u5982\u4f55\u5bb9\u8a31\u5c0f\u932f\u8aa4\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u7684\u9748\u6d3b\u6027\u8207\u6548\u7387\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u904b\u884c\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-76580","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76580","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=76580"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76580\/revisions"}],"predecessor-version":[{"id":76581,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76580\/revisions\/76581"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76580"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76580"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76580"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}