{"id":160051,"date":"2024-11-03T19:52:19","date_gmt":"2024-11-03T11:52:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160051\/"},"modified":"2024-11-03T19:52:20","modified_gmt":"2024-11-03T11:52:20","slug":"mysql-%e6%95%99%e7%a8%8b-mysql-%e5%85%83%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160051\/","title":{"rendered":"MYSQL \u6559\u7a0b MySQL \u5143\u6578\u64da"},"content":{"rendered":"<h1 id=\"mysql-%e6%95%99%e7%a8%8b%ef%bc%9amysql-%e5%85%83%e6%95%b8%e6%93%9a-qAimaEyNeP\">MySQL \u6559\u7a0b\uff1aMySQL \u5143\u6578\u64da<\/h1>\n<p>\u5728\u4f7f\u7528 MySQL \u6578\u64da\u5eab\u6642\uff0c\u4e86\u89e3\u5143\u6578\u64da\u7684\u6982\u5ff5\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u5143\u6578\u64da\u662f\u95dc\u65bc\u6578\u64da\u7684\u6578\u64da\uff0c\u5b83\u63d0\u4f9b\u4e86\u6709\u95dc\u6578\u64da\u5eab\u7d50\u69cb\u3001\u8868\u683c\u3001\u5217\u3001\u7d22\u5f15\u7b49\u7684\u8a73\u7d30\u4fe1\u606f\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u6df1\u5165\u63a2\u8a0e MySQL \u7684\u5143\u6578\u64da\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u4f7f\u7528 MySQL \u6578\u64da\u5eab\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%85%83%e6%95%b8%e6%93%9a%ef%bc%9f-qAimaEyNeP\">\u4ec0\u9ebc\u662f\u5143\u6578\u64da\uff1f<\/h2>\n<p>\u5143\u6578\u64da\u662f\u63cf\u8ff0\u6578\u64da\u7684\u6578\u64da\u3002\u5b83\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u7406\u89e3\u6578\u64da\u7684\u7d50\u69cb\u548c\u5167\u5bb9\u3002\u5728 MySQL \u4e2d\uff0c\u5143\u6578\u64da\u4e3b\u8981\u5305\u62ec\u6578\u64da\u5eab\u3001\u8868\u683c\u3001\u5217\u3001\u7d22\u5f15\u3001\u7d04\u675f\u7b49\u4fe1\u606f\u3002\u9019\u4e9b\u4fe1\u606f\u53ef\u4ee5\u901a\u904e MySQL \u63d0\u4f9b\u7684\u7cfb\u7d71\u6578\u64da\u5eab\u4f86\u67e5\u8a62\u3002<\/p>\n<h2 id=\"mysql-%e4%b8%ad%e7%9a%84%e7%b3%bb%e7%b5%b1%e6%95%b8%e6%93%9a%e5%ba%ab-qAimaEyNeP\">MySQL \u4e2d\u7684\u7cfb\u7d71\u6578\u64da\u5eab<\/h2>\n<p>MySQL \u63d0\u4f9b\u4e86\u4e00\u500b\u540d\u70ba <code>information_schema<\/code> \u7684\u7cfb\u7d71\u6578\u64da\u5eab\uff0c\u9019\u500b\u6578\u64da\u5eab\u5305\u542b\u4e86\u6240\u6709\u5176\u4ed6\u6578\u64da\u5eab\u7684\u5143\u6578\u64da\u3002\u7528\u6236\u53ef\u4ee5\u901a\u904e\u67e5\u8a62\u9019\u500b\u6578\u64da\u5eab\u4f86\u7372\u53d6\u6709\u95dc\u6578\u64da\u5eab\u7d50\u69cb\u7684\u8a73\u7d30\u4fe1\u606f\u3002<\/p>\n<h3 id=\"%e5%b8%b8%e7%94%a8%e7%9a%84%e5%85%83%e6%95%b8%e6%93%9a%e8%a1%a8-qAimaEyNeP\">\u5e38\u7528\u7684\u5143\u6578\u64da\u8868<\/h3>\n<ul>\n<li><code>TABLES<\/code>\uff1a\u5305\u542b\u6240\u6709\u6578\u64da\u5eab\u4e2d\u7684\u8868\u683c\u4fe1\u606f\u3002<\/li>\n<li><code>COLUMNS<\/code>\uff1a\u5305\u542b\u6240\u6709\u8868\u683c\u4e2d\u5217\u7684\u8a73\u7d30\u4fe1\u606f\u3002<\/li>\n<li><code>SCHEMATA<\/code>\uff1a\u5305\u542b\u6240\u6709\u6578\u64da\u5eab\u7684\u540d\u7a31\u548c\u5176\u4ed6\u5c6c\u6027\u3002<\/li>\n<li><code>STATISTICS<\/code>\uff1a\u5305\u542b\u6709\u95dc\u7d22\u5f15\u7684\u7d71\u8a08\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%9f%a5%e8%a9%a2-mysql-%e5%85%83%e6%95%b8%e6%93%9a-qAimaEyNeP\">\u67e5\u8a62 MySQL \u5143\u6578\u64da<\/h2>\n<p>\u7528\u6236\u53ef\u4ee5\u4f7f\u7528 SQL \u67e5\u8a62\u4f86\u7372\u53d6\u5143\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u67e5\u8a62\u793a\u4f8b\uff1a<\/p>\n<h3 id=\"%e6%9f%a5%e8%a9%a2%e6%89%80%e6%9c%89%e6%95%b8%e6%93%9a%e5%ba%ab-qAimaEyNeP\">\u67e5\u8a62\u6240\u6709\u6578\u64da\u5eab<\/h3>\n<pre><code>SELECT SCHEMA_NAME FROM information_schema.SCHEMATA;<\/code><\/pre>\n<h3 id=\"%e6%9f%a5%e8%a9%a2%e7%89%b9%e5%ae%9a%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e6%89%80%e6%9c%89%e8%a1%a8%e6%a0%bc-qAimaEyNeP\">\u67e5\u8a62\u7279\u5b9a\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u8868\u683c<\/h3>\n<pre><code>SELECT TABLE_NAME FROM information_schema.TABLES WHERE TABLE_SCHEMA = 'your_database_name';<\/code><\/pre>\n<h3 id=\"%e6%9f%a5%e8%a9%a2%e7%89%b9%e5%ae%9a%e8%a1%a8%e6%a0%bc%e7%9a%84%e6%89%80%e6%9c%89%e5%88%97-qAimaEyNeP\">\u67e5\u8a62\u7279\u5b9a\u8868\u683c\u7684\u6240\u6709\u5217<\/h3>\n<pre><code>SELECT COLUMN_NAME, DATA_TYPE, IS_NULLABLE FROM information_schema.COLUMNS WHERE TABLE_NAME = 'your_table_name';<\/code><\/pre>\n<h2 id=\"%e5%85%83%e6%95%b8%e6%93%9a%e7%9a%84%e6%87%89%e7%94%a8-qAimaEyNeP\">\u5143\u6578\u64da\u7684\u61c9\u7528<\/h2>\n<p>\u4e86\u89e3\u5143\u6578\u64da\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u548c\u512a\u5316\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u67e5\u8a62\u5143\u6578\u64da\uff0c\u7528\u6236\u53ef\u4ee5\u7372\u5f97\u4ee5\u4e0b\u4fe1\u606f\uff1a<\/p>\n<ul>\n<li>\u6578\u64da\u5eab\u7684\u7d50\u69cb\u548c\u8a2d\u8a08<\/li>\n<li>\u8868\u683c\u4e4b\u9593\u7684\u95dc\u806f<\/li>\n<li>\u7d22\u5f15\u7684\u4f7f\u7528\u60c5\u6cc1<\/li>\n<li>\u6578\u64da\u5b8c\u6574\u6027\u7d04\u675f<\/li>\n<\/ul>\n<p>\u9019\u4e9b\u4fe1\u606f\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u9032\u884c\u6578\u64da\u5eab\u7684\u512a\u5316\u548c\u7dad\u8b77\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-qAimaEyNeP\">\u7e3d\u7d50<\/h2>\n<p>MySQL \u7684\u5143\u6578\u64da\u662f\u7406\u89e3\u548c\u7ba1\u7406\u6578\u64da\u5eab\u7684\u91cd\u8981\u5de5\u5177\u3002\u901a\u904e\u4f7f\u7528 <code>information_schema<\/code> \u7cfb\u7d71\u6578\u64da\u5eab\uff0c\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u4ee5\u8f15\u9b06\u7372\u53d6\u6709\u95dc\u6578\u64da\u5eab\u7d50\u69cb\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u5f9e\u800c\u9032\u884c\u6709\u6548\u7684\u6578\u64da\u5eab\u8a2d\u8a08\u548c\u512a\u5316\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684 MySQL \u6578\u64da\u5eab\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 MySQL \u6559\u7a0b\uff0c\u6df1\u5165\u4e86\u89e3 MySQL \u5143\u6578\u64da\u7684\u6982\u5ff5\u3001\u7d50\u69cb\u53ca\u5176\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u7684\u61c9\u7528\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-160051","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160051","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=160051"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160051\/revisions"}],"predecessor-version":[{"id":160052,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160051\/revisions\/160052"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=160051"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=160051"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=160051"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}