{"id":162639,"date":"2024-11-04T16:46:18","date_gmt":"2024-11-04T08:46:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/162639\/"},"modified":"2024-11-04T16:46:19","modified_gmt":"2024-11-04T08:46:19","slug":"%e5%bb%ba%e7%ab%8bmysql%e6%95%b8%e6%93%9a%e5%ba%ab%e6%97%a5%e5%b8%b8%e7%b6%ad%e8%ad%b7%e8%a6%8f%e7%af%84","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/162639\/","title":{"rendered":"\u5efa\u7acbMySQL\u6578\u64da\u5eab\u65e5\u5e38\u7dad\u8b77\u898f\u7bc4"},"content":{"rendered":"<h1 id=\"%e5%bb%ba%e7%ab%8bmysql%e6%95%b8%e6%93%9a%e5%ba%ab%e6%97%a5%e5%b8%b8%e7%b6%ad%e8%ad%b7%e8%a6%8f%e7%af%84-owzyMCxGpC\">\u5efa\u7acbMySQL\u6578\u64da\u5eab\u65e5\u5e38\u7dad\u8b77\u898f\u7bc4<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0cMySQL\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u958b\u6e90\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u548c\u7db2\u7ad9\u4e2d\u3002\u70ba\u4e86\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\uff0c\u5efa\u7acb\u4e00\u5957\u65e5\u5e38\u7dad\u8b77\u898f\u7bc4\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u6709\u6548\u5730\u7dad\u8b77MySQL\u6578\u64da\u5eab\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u5efa\u8b70\u548c\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<h2 id=\"1-%e5%ae%9a%e6%9c%9f%e5%82%99%e4%bb%bd%e6%95%b8%e6%93%9a-owzyMCxGpC\">1. \u5b9a\u671f\u5099\u4efd\u6578\u64da<\/h2>\n<p>\u6578\u64da\u4e1f\u5931\u53ef\u80fd\u6703\u5c0d\u696d\u52d9\u9020\u6210\u56b4\u91cd\u5f71\u97ff\uff0c\u56e0\u6b64\u5b9a\u671f\u5099\u4efd\u6578\u64da\u662f\u7dad\u8b77MySQL\u6578\u64da\u5eab\u7684\u9996\u8981\u4efb\u52d9\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u5099\u4efd\uff1a<\/p>\n<pre><code>mysqldump -u username -p database_name &gt; backup_file.sql<\/code><\/pre>\n<p>\u5efa\u8b70\u8a2d\u7f6e\u81ea\u52d5\u5099\u4efd\u8a08\u5283\uff0c\u4e26\u5c07\u5099\u4efd\u6587\u4ef6\u5b58\u5132\u5728\u5b89\u5168\u7684\u4f4d\u7f6e\uff0c\u4ee5\u4fbf\u5728\u9700\u8981\u6642\u80fd\u5920\u5feb\u901f\u6062\u5fa9\u6578\u64da\u3002<\/p>\n<h2 id=\"2-%e7%9b%a3%e6%8e%a7%e6%95%b8%e6%93%9a%e5%ba%ab%e6%80%a7%e8%83%bd-owzyMCxGpC\">2. \u76e3\u63a7\u6578\u64da\u5eab\u6027\u80fd<\/h2>\n<p>\u5b9a\u671f\u76e3\u63a7\u6578\u64da\u5eab\u7684\u6027\u80fd\u6307\u6a19\uff0c\u5982\u67e5\u8a62\u901f\u5ea6\u3001\u9023\u63a5\u6578\u548c\u8cc7\u6e90\u4f7f\u7528\u60c5\u6cc1\uff0c\u53ef\u4ee5\u5e6b\u52a9\u53ca\u65e9\u767c\u73fe\u6f5b\u5728\u554f\u984c\u3002\u53ef\u4ee5\u4f7f\u7528MySQL\u7684\u6027\u80fd\u6a21\u5f0f\uff08Performance Schema\uff09\u4f86\u6536\u96c6\u548c\u5206\u6790\u6027\u80fd\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u555f\u7528\u6027\u80fd\u6a21\u5f0f\u7684\u547d\u4ee4\uff1a<\/p>\n<pre><code>SET GLOBAL performance_schema = ON;<\/code><\/pre>\n<p>\u901a\u904e\u5206\u6790\u6027\u80fd\u6578\u64da\uff0c\u53ef\u4ee5\u512a\u5316\u67e5\u8a62\u548c\u7d22\u5f15\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n<h2 id=\"3-%e5%84%aa%e5%8c%96%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b5%90%e6%a7%8b-owzyMCxGpC\">3. \u512a\u5316\u6578\u64da\u5eab\u7d50\u69cb<\/h2>\n<p>\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u6578\u64da\u5eab\u7d50\u69cb\u53ef\u80fd\u9700\u8981\u9032\u884c\u8abf\u6574\u3002\u5b9a\u671f\u6aa2\u67e5\u8868\u7684\u8a2d\u8a08\uff0c\u78ba\u4fdd\u4f7f\u7528\u9069\u7576\u7684\u6578\u64da\u985e\u578b\u548c\u7d22\u5f15\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u6aa2\u67e5\u8868\u7684\u72c0\u614b\uff1a<\/p>\n<pre><code>SHOW TABLE STATUS;<\/code><\/pre>\n<p>\u6839\u64da\u6aa2\u67e5\u7d50\u679c\uff0c\u8003\u616e\u9032\u884c\u8868\u7684\u91cd\u7d44\u6216\u5206\u5340\uff0c\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<h2 id=\"4-%e6%b8%85%e7%90%86%e4%b8%8d%e5%bf%85%e8%a6%81%e7%9a%84%e6%95%b8%e6%93%9a-owzyMCxGpC\">4. \u6e05\u7406\u4e0d\u5fc5\u8981\u7684\u6578\u64da<\/h2>\n<p>\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u6578\u64da\u5eab\u4e2d\u53ef\u80fd\u6703\u7a4d\u7d2f\u5927\u91cf\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u3002\u5b9a\u671f\u6e05\u7406\u904e\u671f\u6216\u4e0d\u518d\u4f7f\u7528\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u91cb\u653e\u5b58\u5132\u7a7a\u9593\u4e26\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u522a\u9664\u904e\u671f\u6578\u64da\uff1a<\/p>\n<pre><code>DELETE FROM table_name WHERE condition;<\/code><\/pre>\n<p>\u5728\u57f7\u884c\u522a\u9664\u64cd\u4f5c\u4e4b\u524d\uff0c\u5efa\u8b70\u5148\u9032\u884c\u6578\u64da\u5099\u4efd\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u522a\u9664\u91cd\u8981\u6578\u64da\u3002<\/p>\n<h2 id=\"5-%e6%9b%b4%e6%96%b0mysql%e7%89%88%e6%9c%ac-owzyMCxGpC\">5. \u66f4\u65b0MySQL\u7248\u672c<\/h2>\n<p>\u4fdd\u6301MySQL\u7248\u672c\u7684\u6700\u65b0\u72c0\u614b\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u5b89\u5168\u6027\u548c\u6027\u80fd\u3002\u5b9a\u671f\u6aa2\u67e5\u5b98\u65b9\u7db2\u7ad9\uff0c\u4e86\u89e3\u6700\u65b0\u7248\u672c\u7684\u529f\u80fd\u548c\u4fee\u5fa9\uff0c\u4e26\u6839\u64da\u9700\u8981\u9032\u884c\u5347\u7d1a\u3002\u5347\u7d1a\u904e\u7a0b\u4e2d\uff0c\u8acb\u52d9\u5fc5\u9075\u5faa\u5b98\u65b9\u6587\u6a94\u4e2d\u7684\u6307\u5c0e\uff0c\u4ee5\u907f\u514d\u6578\u64da\u4e1f\u5931\u6216\u7cfb\u7d71\u6545\u969c\u3002<\/p>\n<h2 id=\"6-%e5%af%a6%e6%96%bd%e5%ae%89%e5%85%a8%e6%8e%aa%e6%96%bd-owzyMCxGpC\">6. \u5be6\u65bd\u5b89\u5168\u63aa\u65bd<\/h2>\n<p>\u6578\u64da\u5eab\u7684\u5b89\u5168\u6027\u81f3\u95dc\u91cd\u8981\uff0c\u61c9\u5b9a\u671f\u6aa2\u67e5\u7528\u6236\u6b0a\u9650\u548c\u8a2a\u554f\u63a7\u5236\u3002\u78ba\u4fdd\u53ea\u6709\u6388\u6b0a\u7528\u6236\u53ef\u4ee5\u8a2a\u554f\u6578\u64da\u5eab\uff0c\u4e26\u5b9a\u671f\u66f4\u6539\u5bc6\u78bc\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5\u7528\u6236\u6b0a\u9650\uff1a<\/p>\n<pre><code>SELECT user, host FROM mysql.user;<\/code><\/pre>\n<p>\u6839\u64da\u9700\u8981\u8abf\u6574\u7528\u6236\u6b0a\u9650\uff0c\u4ee5\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u5b89\u5168\u6027\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-owzyMCxGpC\">\u7e3d\u7d50<\/h2>\n<p>\u5efa\u7acbMySQL\u6578\u64da\u5eab\u7684\u65e5\u5e38\u7dad\u8b77\u898f\u7bc4\u662f\u78ba\u4fdd\u6578\u64da\u5eab\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u7684\u95dc\u9375\u3002\u901a\u904e\u5b9a\u671f\u5099\u4efd\u3001\u76e3\u63a7\u6027\u80fd\u3001\u512a\u5316\u7d50\u69cb\u3001\u6e05\u7406\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u3001\u66f4\u65b0\u7248\u672c\u548c\u5be6\u65bd\u5b89\u5168\u63aa\u65bd\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7dad\u8b77\u6578\u64da\u5eab\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u548c\u7a69\u5b9a\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u4e00\u500b\u91cd\u8981\u7684\u8003\u91cf\u3002\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5efa\u7acbMySQL\u6578\u64da\u5eab\u65e5\u5e38\u7dad\u8b77\u898f\u7bc4\uff0c\u78ba\u4fdd\u6578\u64da\u5b89\u5168\u3001\u6027\u80fd\u512a\u5316\u53ca\u6545\u969c\u6062\u5fa9\uff0c\u63d0\u5347\u7cfb\u7d71\u7a69\u5b9a\u6027\u8207\u6548\u7387\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-162639","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162639","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=162639"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162639\/revisions"}],"predecessor-version":[{"id":162640,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162639\/revisions\/162640"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=162639"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=162639"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=162639"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}