{"id":187894,"date":"2024-11-11T18:04:20","date_gmt":"2024-11-11T10:04:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/187894\/"},"modified":"2024-11-11T18:04:21","modified_gmt":"2024-11-11T10:04:21","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97%e5%85%b8%e7%9a%84%e9%87%8d%e8%a6%81%e6%80%a7%e8%88%87%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%ad%97%e5%85%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/187894\/","title":{"rendered":"\u6578\u64da\u5eab\u5b57\u5178\u7684\u91cd\u8981\u6027\u8207\u4f7f\u7528\u65b9\u6cd5 (\u6578\u64da\u5eab\u7684\u5b57\u5178)"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97%e5%85%b8%e7%9a%84%e9%87%8d%e8%a6%81%e6%80%a7%e8%88%87%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%ad%97%e5%85%b8-qQxtuGDWlu\">\u6578\u64da\u5eab\u5b57\u5178\u7684\u91cd\u8981\u6027\u8207\u4f7f\u7528\u65b9\u6cd5 (\u6578\u64da\u5eab\u7684\u5b57\u5178)<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u5df2\u6210\u70ba\u4f01\u696d\u548c\u7d44\u7e54\u904b\u4f5c\u7684\u6838\u5fc3\u3002\u6578\u64da\u5eab\u5b57\u5178\uff08Database Dictionary\uff09\u4f5c\u70ba\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\u4e2d\u7684\u4e00\u500b\u91cd\u8981\u7d44\u4ef6\uff0c\u627f\u64d4\u8457\u95dc\u9375\u7684\u89d2\u8272\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u6578\u64da\u5eab\u5b57\u5178\u7684\u91cd\u8981\u6027\u53ca\u5176\u4f7f\u7528\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97%e5%85%b8%ef%bc%9f-qQxtuGDWlu\">\u4ec0\u9ebc\u662f\u6578\u64da\u5eab\u5b57\u5178\uff1f<\/h2>\n<p>\u6578\u64da\u5eab\u5b57\u5178\u662f\u4e00\u500b\u5305\u542b\u6709\u95dc\u6578\u64da\u5eab\u7d50\u69cb\u3001\u6578\u64da\u985e\u578b\u3001\u7d04\u675f\u689d\u4ef6\u3001\u7d22\u5f15\u3001\u8996\u5716\u3001\u5b58\u5132\u904e\u7a0b\u7b49\u5143\u6578\u64da\u7684\u8cc7\u6599\u5eab\u3002\u5b83\u63d0\u4f9b\u4e86\u6578\u64da\u5eab\u4e2d\u6240\u6709\u5c0d\u8c61\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u4e26\u4e14\u662f\u6578\u64da\u5eab\u7ba1\u7406\u548c\u7dad\u8b77\u7684\u57fa\u790e\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97%e5%85%b8%e7%9a%84%e9%87%8d%e8%a6%81%e6%80%a7-qQxtuGDWlu\">\u6578\u64da\u5eab\u5b57\u5178\u7684\u91cd\u8981\u6027<\/h2>\n<ul>\n<li><strong>\u6578\u64da\u7ba1\u7406\u7684\u57fa\u790e\uff1a<\/strong>\u6578\u64da\u5eab\u5b57\u5178\u63d0\u4f9b\u4e86\u6578\u64da\u5eab\u4e2d\u6240\u6709\u5c0d\u8c61\u7684\u6e05\u6670\u8996\u5716\uff0c\u5e6b\u52a9\u6578\u64da\u5eab\u7ba1\u7406\u54e1\uff08DBA\uff09\u6709\u6548\u5730\u7ba1\u7406\u548c\u7dad\u8b77\u6578\u64da\u5eab\u3002<\/li>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\uff1a<\/strong>\u901a\u904e\u5b9a\u7fa9\u6578\u64da\u985e\u578b\u548c\u7d04\u675f\u689d\u4ef6\uff0c\u6578\u64da\u5eab\u5b57\u5178\u78ba\u4fdd\u4e86\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\uff0c\u9632\u6b62\u4e86\u4e0d\u6b63\u78ba\u6578\u64da\u7684\u63d2\u5165\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\uff1a<\/strong>\u6578\u64da\u5eab\u5b57\u5178\u4e2d\u7684\u7d22\u5f15\u4fe1\u606f\u53ef\u4ee5\u5e6b\u52a9\u67e5\u8a62\u512a\u5316\u5668\u9078\u64c7\u6700\u4f73\u7684\u67e5\u8a62\u57f7\u884c\u8a08\u5283\uff0c\u5f9e\u800c\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/li>\n<li><strong>\u652f\u6301\u6578\u64da\u5b89\u5168\uff1a<\/strong>\u6578\u64da\u5eab\u5b57\u5178\u4e2d\u5305\u542b\u7684\u6b0a\u9650\u548c\u89d2\u8272\u4fe1\u606f\u6709\u52a9\u65bc\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u6027\uff0c\u9632\u6b62\u672a\u7d93\u6388\u6b0a\u7684\u8a2a\u554f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97%e5%85%b8%e7%9a%84%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95-qQxtuGDWlu\">\u6578\u64da\u5eab\u5b57\u5178\u7684\u4f7f\u7528\u65b9\u6cd5<\/h2>\n<p>\u6578\u64da\u5eab\u5b57\u5178\u7684\u4f7f\u7528\u65b9\u6cd5\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<h3 id=\"1-%e6%9f%a5%e8%a9%a2%e5%85%83%e6%95%b8%e6%93%9a-qQxtuGDWlu\">1. \u67e5\u8a62\u5143\u6578\u64da<\/h3>\n<p>\u7528\u6236\u53ef\u4ee5\u901a\u904e\u67e5\u8a62\u6578\u64da\u5eab\u5b57\u5178\u4f86\u7372\u53d6\u6709\u95dc\u6578\u64da\u5eab\u7d50\u69cb\u7684\u4fe1\u606f\u3002\u4f8b\u5982\uff0c\u5728MySQL\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u67e5\u8a62\u6240\u6709\u8868\u7684\u4fe1\u606f\uff1a<\/p>\n<pre><code>SHOW TABLES;<\/code><\/pre>\n<p>\u800c\u8981\u67e5\u770b\u67d0\u500b\u7279\u5b9a\u8868\u7684\u7d50\u69cb\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n<pre><code>DESCRIBE table_name;<\/code><\/pre>\n<h3 id=\"2-%e7%ae%a1%e7%90%86%e6%95%b8%e6%93%9a%e5%ba%ab%e5%b0%8d%e8%b1%a1-qQxtuGDWlu\">2. \u7ba1\u7406\u6578\u64da\u5eab\u5c0d\u8c61<\/h3>\n<p>\u6578\u64da\u5eab\u5b57\u5178\u5141\u8a31\u7528\u6236\u5275\u5efa\u3001\u4fee\u6539\u548c\u522a\u9664\u6578\u64da\u5eab\u5c0d\u8c61\u3002\u8209\u4f8b\u4f86\u8aaa\uff0c\u5275\u5efa\u4e00\u500b\u65b0\u8868\u7684SQL\u8a9e\u53e5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE TABLE users (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    username VARCHAR(50) NOT NULL,\n    password VARCHAR(255) NOT NULL\n);<\/code><\/pre>\n<h3 id=\"3-%e7%9b%a3%e6%8e%a7%e6%95%b8%e6%93%9a%e5%ba%ab%e6%80%a7%e8%83%bd-qQxtuGDWlu\">3. \u76e3\u63a7\u6578\u64da\u5eab\u6027\u80fd<\/h3>\n<p>\u901a\u904e\u67e5\u8a62\u6578\u64da\u5eab\u5b57\u5178\u4e2d\u7684\u6027\u80fd\u6307\u6a19\uff0cDBA\u53ef\u4ee5\u76e3\u63a7\u6578\u64da\u5eab\u7684\u904b\u884c\u72c0\u6cc1\uff0c\u53ca\u6642\u767c\u73fe\u4e26\u89e3\u6c7a\u6027\u80fd\u74f6\u9838\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u67e5\u8a62\u7576\u524d\u6d3b\u52d5\u7684\u9023\u63a5\u6578\uff1a<\/p>\n<pre><code>SHOW PROCESSLIST;<\/code><\/pre>\n<h3 id=\"4-%e6%95%b8%e6%93%9a%e5%ae%89%e5%85%a8%e7%ae%a1%e7%90%86-qQxtuGDWlu\">4. \u6578\u64da\u5b89\u5168\u7ba1\u7406<\/h3>\n<p>\u6578\u64da\u5eab\u5b57\u5178\u4e2d\u5305\u542b\u7684\u7528\u6236\u6b0a\u9650\u4fe1\u606f\u53ef\u4ee5\u5e6b\u52a9DBA\u7ba1\u7406\u6578\u64da\u5eab\u7684\u5b89\u5168\u6027\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\u67e5\u770b\u7528\u6236\u7684\u6b0a\u9650\uff1a<\/p>\n<pre><code>SHOW GRANTS FOR 'username'@'host';<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-qQxtuGDWlu\">\u7d50\u8ad6<\/h2>\n<p>\u6578\u64da\u5eab\u5b57\u5178\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u626e\u6f14\u8457\u4e0d\u53ef\u6216\u7f3a\u7684\u89d2\u8272\u3002\u5b83\u4e0d\u50c5\u63d0\u4f9b\u4e86\u6578\u64da\u5eab\u7d50\u69cb\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u9084\u652f\u6301\u6578\u64da\u7684\u4e00\u81f4\u6027\u3001\u5b89\u5168\u6027\u548c\u6027\u80fd\u512a\u5316\u3002\u5c0d\u65bc\u4efb\u4f55\u5e0c\u671b\u6709\u6548\u7ba1\u7406\u5176\u6578\u64da\u5eab\u7684\u4f01\u696d\u6216\u7d44\u7e54\u4f86\u8aaa\uff0c\u7406\u89e3\u548c\u5229\u7528\u6578\u64da\u5eab\u5b57\u5178\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <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>\u4e86\u89e3\u6578\u64da\u5eab\u5b57\u5178\u7684\u91cd\u8981\u6027\u53ca\u5176\u4f7f\u7528\u65b9\u6cd5\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u8207\u6e96\u78ba\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-187894","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187894","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=187894"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187894\/revisions"}],"predecessor-version":[{"id":187895,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187894\/revisions\/187895"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=187894"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=187894"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=187894"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}