{"id":180952,"date":"2024-11-09T14:33:19","date_gmt":"2024-11-09T06:33:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/180952\/"},"modified":"2024-11-09T14:33:20","modified_gmt":"2024-11-09T06:33:20","slug":"%e6%b7%b1%e5%85%a5%e7%90%86%e8%a7%a3mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e8%a8%bb%e9%87%8b%e5%8a%9f%e8%83%bd-mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e8%a8%bb%e9%87%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/180952\/","title":{"rendered":"\u6df1\u5165\u7406\u89e3mysql\u6578\u64da\u5eab\u7684\u8a3b\u91cb\u529f\u80fd (mysql\u6578\u64da\u5eab\u7684\u8a3b\u91cb)"},"content":{"rendered":"<h1 id=\"%e6%b7%b1%e5%85%a5%e7%90%86%e8%a7%a3mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e8%a8%bb%e9%87%8b%e5%8a%9f%e8%83%bd-lxgZWsNGUx\">\u6df1\u5165\u7406\u89e3MySQL\u6578\u64da\u5eab\u7684\u8a3b\u91cb\u529f\u80fd<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0cMySQL\u4f5c\u70ba\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u958b\u6e90\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u529f\u80fd\u4f86\u5e6b\u52a9\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u66f4\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u3002\u5176\u4e2d\uff0c\u8a3b\u91cb\u529f\u80fd\u662f\u4e00\u500b\u91cd\u8981\u7684\u7279\u6027\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7406\u89e3\u548c\u7dad\u8b77\u6578\u64da\u5eab\u7d50\u69cb\u53ca\u5176\u5167\u5bb9\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eMySQL\u6578\u64da\u5eab\u7684\u8a3b\u91cb\u529f\u80fd\uff0c\u5305\u62ec\u5176\u7528\u9014\u3001\u985e\u578b\u53ca\u5be6\u969b\u61c9\u7528\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afmysql%e7%9a%84%e8%a8%bb%e9%87%8b%e5%8a%9f%e8%83%bd%ef%bc%9f-lxgZWsNGUx\">\u4ec0\u9ebc\u662fMySQL\u7684\u8a3b\u91cb\u529f\u80fd\uff1f<\/h2>\n<p>MySQL\u7684\u8a3b\u91cb\u529f\u80fd\u5141\u8a31\u7528\u6236\u5728\u6578\u64da\u5eab\u5c0d\u8c61\uff08\u5982\u8868\u3001\u5217\u3001\u7d22\u5f15\u7b49\uff09\u4e0a\u6dfb\u52a0\u63cf\u8ff0\u6027\u6587\u5b57\uff0c\u9019\u4e9b\u6587\u5b57\u4e0d\u6703\u5f71\u97ff\u6578\u64da\u5eab\u7684\u904b\u884c\uff0c\u4f46\u80fd\u5920\u63d0\u4f9b\u6709\u95dc\u6578\u64da\u7d50\u69cb\u7684\u984d\u5916\u4fe1\u606f\u3002\u9019\u5c0d\u65bc\u5718\u968a\u5408\u4f5c\u548c\u9577\u671f\u7dad\u8b77\u7279\u5225\u91cd\u8981\uff0c\u56e0\u70ba\u5b83\u80fd\u5e6b\u52a9\u958b\u767c\u8005\u5feb\u901f\u7406\u89e3\u6578\u64da\u5eab\u7684\u8a2d\u8a08\u610f\u5716\u548c\u4f7f\u7528\u65b9\u5f0f\u3002<\/p>\n<h2 id=\"%e8%a8%bb%e9%87%8b%e7%9a%84%e9%a1%9e%e5%9e%8b-lxgZWsNGUx\">\u8a3b\u91cb\u7684\u985e\u578b<\/h2>\n<p>\u5728MySQL\u4e2d\uff0c\u8a3b\u91cb\u4e3b\u8981\u6709\u4ee5\u4e0b\u5e7e\u7a2e\u985e\u578b\uff1a<\/p>\n<ul>\n<li><strong>\u8868\u8a3b\u91cb\uff1a<\/strong>\u7528\u65bc\u63cf\u8ff0\u6574\u500b\u8868\u7684\u7528\u9014\u548c\u529f\u80fd\u3002<\/li>\n<li><strong>\u5217\u8a3b\u91cb\uff1a<\/strong>\u7528\u65bc\u63cf\u8ff0\u7279\u5b9a\u5217\u7684\u6578\u64da\u985e\u578b\u548c\u7528\u9014\u3002<\/li>\n<li><strong>\u7d22\u5f15\u8a3b\u91cb\uff1a<\/strong>\u7528\u65bc\u63cf\u8ff0\u7d22\u5f15\u7684\u76ee\u7684\u548c\u4f7f\u7528\u60c5\u6cc1\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%b7%bb%e5%8a%a0%e8%a8%bb%e9%87%8b-lxgZWsNGUx\">\u5982\u4f55\u6dfb\u52a0\u8a3b\u91cb<\/h2>\n<p>\u5728MySQL\u4e2d\uff0c\u6dfb\u52a0\u8a3b\u91cb\u7684\u8a9e\u6cd5\u76f8\u5c0d\u7c21\u55ae\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\uff1a<\/p>\n<h3 id=\"%e6%b7%bb%e5%8a%a0%e8%a1%a8%e8%a8%bb%e9%87%8b-lxgZWsNGUx\">\u6dfb\u52a0\u8868\u8a3b\u91cb<\/h3>\n<pre><code>CREATE TABLE users (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    username VARCHAR(50) NOT NULL,\n    email VARCHAR(100) NOT NULL,\n    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,\n    COMMENT='\u7528\u6236\u4fe1\u606f\u8868'\n);<\/code><\/pre>\n<h3 id=\"%e6%b7%bb%e5%8a%a0%e5%88%97%e8%a8%bb%e9%87%8b-lxgZWsNGUx\">\u6dfb\u52a0\u5217\u8a3b\u91cb<\/h3>\n<pre><code>CREATE TABLE products (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    name VARCHAR(100) NOT NULL COMMENT '\u7522\u54c1\u540d\u7a31',\n    price DECIMAL(10, 2) NOT NULL COMMENT '\u7522\u54c1\u50f9\u683c',\n    stock INT NOT NULL COMMENT '\u5eab\u5b58\u6578\u91cf'\n);<\/code><\/pre>\n<h3 id=\"%e6%b7%bb%e5%8a%a0%e7%b4%a2%e5%bc%95%e8%a8%bb%e9%87%8b-lxgZWsNGUx\">\u6dfb\u52a0\u7d22\u5f15\u8a3b\u91cb<\/h3>\n<pre><code>CREATE INDEX idx_username ON users (username) COMMENT '\u7528\u65bc\u52a0\u901f\u7528\u6236\u540d\u67e5\u8a62';<\/code><\/pre>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e8%a8%bb%e9%87%8b-lxgZWsNGUx\">\u67e5\u8a62\u8a3b\u91cb<\/h2>\n<p>\u7528\u6236\u53ef\u4ee5\u901a\u904e\u67e5\u8a62\u4fe1\u606f\u67b6\u69cb\u4f86\u67e5\u770b\u8868\u548c\u5217\u7684\u8a3b\u91cb\u3002\u4ee5\u4e0b\u662f\u67e5\u8a62\u8868\u8a3b\u91cb\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT table_name, table_comment \nFROM information_schema.tables \nWHERE table_schema = 'your_database_name';<\/code><\/pre>\n<p>\u67e5\u8a62\u5217\u8a3b\u91cb\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT column_name, column_comment \nFROM information_schema.columns \nWHERE table_name = 'your_table_name' AND table_schema = 'your_database_name';<\/code><\/pre>\n<h2 id=\"%e8%a8%bb%e9%87%8b%e7%9a%84%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-lxgZWsNGUx\">\u8a3b\u91cb\u7684\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u5728\u4f7f\u7528MySQL\u7684\u8a3b\u91cb\u529f\u80fd\u6642\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\uff1a<\/p>\n<ul>\n<li>\u4fdd\u6301\u8a3b\u91cb\u7c21\u6f54\u660e\u4e86\uff0c\u907f\u514d\u5197\u9577\u7684\u63cf\u8ff0\u3002<\/li>\n<li>\u5b9a\u671f\u66f4\u65b0\u8a3b\u91cb\uff0c\u4ee5\u53cd\u6620\u6578\u64da\u5eab\u7d50\u69cb\u7684\u8b8a\u66f4\u3002<\/li>\n<li>\u4f7f\u7528\u4e00\u81f4\u7684\u547d\u540d\u898f\u5247\u548c\u683c\u5f0f\uff0c\u4ee5\u63d0\u9ad8\u53ef\u8b80\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-lxgZWsNGUx\">\u7d50\u8ad6<\/h2>\n<p>MySQL\u7684\u8a3b\u91cb\u529f\u80fd\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u66f4\u597d\u5730\u7406\u89e3\u548c\u7dad\u8b77\u6578\u64da\u5eab\u7d50\u69cb\u3002\u901a\u904e\u5408\u7406\u5730\u4f7f\u7528\u8a3b\u91cb\uff0c\u5718\u968a\u6210\u54e1\u53ef\u4ee5\u66f4\u5feb\u5730\u4e0a\u624b\u9805\u76ee\uff0c\u4e26\u6e1b\u5c11\u56e0\u8aa4\u89e3\u6578\u64da\u7d50\u69cb\u800c\u5c0e\u81f4\u7684\u932f\u8aa4\u3002\u5c0d\u65bc\u5e0c\u671b\u5728\u9999\u6e2f\u5c0b\u627e\u9ad8\u6548\u80fd\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u7684\u7528\u6236\uff0c\u4e86\u89e3MySQL\u7684\u8a3b\u91cb\u529f\u80fd\u5c07\u662f\u63d0\u5347\u5de5\u4f5c\u6548\u7387\u7684\u91cd\u8981\u4e00\u6b65\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u548c\u6578\u64da\u5eab\u7ba1\u7406\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u4e86\u89e3MySQL\u6578\u64da\u5eab\u7684\u8a3b\u91cb\u529f\u80fd\uff0c\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u4f7f\u7528\u8a3b\u91cb\u4f86\u63d0\u5347\u4ee3\u78bc\u53ef\u8b80\u6027\u548c\u7dad\u8b77\u6027\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-180952","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180952","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=180952"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180952\/revisions"}],"predecessor-version":[{"id":180953,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180952\/revisions\/180953"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=180952"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=180952"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=180952"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}