{"id":183862,"date":"2024-11-10T08:21:21","date_gmt":"2024-11-10T00:21:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/183862\/"},"modified":"2024-11-10T08:21:22","modified_gmt":"2024-11-10T00:21:22","slug":"%e4%bd%bf%e7%94%a8mysql-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%87%ba%e7%8f%be%e7%9a%84%e5%9b%b0%e9%9b%a3%e8%a7%a3%e6%b1%ba","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/183862\/","title":{"rendered":"\u4f7f\u7528MySQL \u6578\u64da\u5eab\u51fa\u73fe\u7684\u56f0\u96e3\u89e3\u6c7a"},"content":{"rendered":"<h1 id=\"%e4%bd%bf%e7%94%a8mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e5%87%ba%e7%8f%be%e7%9a%84%e5%9b%b0%e9%9b%a3%e8%a7%a3%e6%b1%ba-WKrRlHWttK\">\u4f7f\u7528MySQL\u6578\u64da\u5eab\u51fa\u73fe\u7684\u56f0\u96e3\u89e3\u6c7a<\/h1>\n<p>MySQL\u662f\u4e00\u7a2e\u6d41\u884c\u7684\u958b\u6e90\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u7db2\u7ad9\u548c\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u5118\u7ba1MySQL\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u529f\u80fd\u548c\u9748\u6d3b\u6027\uff0c\u4f46\u5728\u4f7f\u7528\u904e\u7a0b\u4e2d\uff0c\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u56f0\u96e3\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e00\u4e9b\u5e38\u898b\u7684MySQL\u554f\u984c\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\u3002<\/p>\n<h2 id=\"1-%e9%80%a3%e6%8e%a5%e5%95%8f%e9%a1%8c-WKrRlHWttK\">1. \u9023\u63a5\u554f\u984c<\/h2>\n<p>\u9023\u63a5\u5230MySQL\u6578\u64da\u5eab\u6642\uff0c\u6700\u5e38\u898b\u7684\u554f\u984c\u4e4b\u4e00\u662f\u7121\u6cd5\u5efa\u7acb\u9023\u63a5\u3002\u9019\u53ef\u80fd\u7531\u65bc\u591a\u7a2e\u539f\u56e0\u9020\u6210\uff0c\u5305\u62ec\u932f\u8aa4\u7684\u7528\u6236\u540d\u6216\u5bc6\u78bc\u3001\u6578\u64da\u5eab\u670d\u52d9\u672a\u555f\u52d5\u6216\u9632\u706b\u7246\u8a2d\u7f6e\u4e0d\u7576\u3002<\/p>\n<ul>\n<li><strong>\u6aa2\u67e5\u7528\u6236\u540d\u548c\u5bc6\u78bc\uff1a<\/strong>\u78ba\u4fdd\u4f7f\u7528\u6b63\u78ba\u7684\u7528\u6236\u540d\u548c\u5bc6\u78bc\u9032\u884c\u767b\u9304\u3002<\/li>\n<li><strong>\u78ba\u8a8d\u670d\u52d9\u72c0\u614b\uff1a<\/strong>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5MySQL\u670d\u52d9\u662f\u5426\u6b63\u5728\u904b\u884c\uff1a<\/li>\n<pre><code>sudo systemctl status mysql<\/code><\/pre>\n<li><strong>\u9632\u706b\u7246\u8a2d\u7f6e\uff1a<\/strong>\u78ba\u4fdd\u9632\u706b\u7246\u5141\u8a31MySQL\u7684\u9ed8\u8a8d\u7aef\u53e3\uff083306\uff09\u901a\u904e\u3002<\/li>\n<\/ul>\n<h2 id=\"2-%e6%80%a7%e8%83%bd%e5%95%8f%e9%a1%8c-WKrRlHWttK\">2. \u6027\u80fd\u554f\u984c<\/h2>\n<p>\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0cMySQL\u7684\u6027\u80fd\u53ef\u80fd\u6703\u4e0b\u964d\u3002\u9019\u901a\u5e38\u8868\u73fe\u70ba\u67e5\u8a62\u901f\u5ea6\u8b8a\u6162\u6216\u7cfb\u7d71\u97ff\u61c9\u6642\u9593\u5ef6\u9577\u3002<\/p>\n<ul>\n<li><strong>\u512a\u5316\u67e5\u8a62\uff1a<\/strong>\u4f7f\u7528EXPLAIN\u8a9e\u53e5\u4f86\u5206\u6790\u67e5\u8a62\u8a08\u5283\uff0c\u627e\u51fa\u6027\u80fd\u74f6\u9838\u3002\u4f8b\u5982\uff1a<\/li>\n<pre><code>EXPLAIN SELECT * FROM users WHERE age &gt; 30;<\/code><\/pre>\n<li><strong>\u7d22\u5f15\u4f7f\u7528\uff1a<\/strong>\u78ba\u4fdd\u5728\u67e5\u8a62\u4e2d\u4f7f\u7528\u7d22\u5f15\uff0c\u4ee5\u52a0\u5feb\u6578\u64da\u6aa2\u7d22\u901f\u5ea6\u3002<\/li>\n<li><strong>\u8abf\u6574\u914d\u7f6e\uff1a<\/strong>\u6839\u64da\u7cfb\u7d71\u8cc7\u6e90\u8abf\u6574MySQL\u914d\u7f6e\u6587\u4ef6\uff08my.cnf\uff09\uff0c\u4f8b\u5982\u589e\u52a0\u7de9\u885d\u5340\u5927\u5c0f\u3002<\/li>\n<\/ul>\n<h2 id=\"3-%e6%95%b8%e6%93%9a%e6%90%8d%e5%a3%9e-WKrRlHWttK\">3. \u6578\u64da\u640d\u58de<\/h2>\n<p>\u6578\u64da\u640d\u58de\u53ef\u80fd\u7531\u65bc\u786c\u4ef6\u6545\u969c\u3001\u610f\u5916\u95dc\u6a5f\u6216\u8edf\u4ef6\u932f\u8aa4\u7b49\u539f\u56e0\u5f15\u8d77\u3002\u9019\u6703\u5c0e\u81f4\u6578\u64da\u7121\u6cd5\u8a2a\u554f\u6216\u4e1f\u5931\u3002<\/p>\n<ul>\n<li><strong>\u6aa2\u67e5\u6578\u64da\u5eab\u5b8c\u6574\u6027\uff1a<\/strong>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u5b8c\u6574\u6027\uff1a<\/li>\n<pre><code>CHECK TABLE users;<\/code><\/pre>\n<li><strong>\u4fee\u5fa9\u6578\u64da\u8868\uff1a<\/strong>\u5982\u679c\u767c\u73fe\u554f\u984c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4fee\u5fa9\u6578\u64da\u8868\uff1a<\/li>\n<pre><code>REPAIR TABLE users;<\/code><\/pre>\n<li><strong>\u5b9a\u671f\u5099\u4efd\uff1a<\/strong>\u5b9a\u671f\u5099\u4efd\u6578\u64da\u5eab\uff0c\u4ee5\u9632\u6b62\u6578\u64da\u4e1f\u5931\u3002\u53ef\u4ee5\u4f7f\u7528mysqldump\u5de5\u5177\u9032\u884c\u5099\u4efd\uff1a<\/li>\n<pre><code>mysqldump -u username -p database_name &gt; backup.sql<\/code><\/pre>\n<\/ul>\n<h2 id=\"4-%e5%ae%89%e5%85%a8%e6%80%a7%e5%95%8f%e9%a1%8c-WKrRlHWttK\">4. \u5b89\u5168\u6027\u554f\u984c<\/h2>\n<p>\u6578\u64da\u5eab\u7684\u5b89\u5168\u6027\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u5c24\u5176\u662f\u5728\u8655\u7406\u654f\u611f\u4fe1\u606f\u6642\u3002\u5e38\u898b\u7684\u5b89\u5168\u554f\u984c\u5305\u62ec\u672a\u7d93\u6388\u6b0a\u7684\u8a2a\u554f\u548cSQL\u6ce8\u5165\u653b\u64ca\u3002<\/p>\n<ul>\n<li><strong>\u8a2d\u7f6e\u5f37\u5bc6\u78bc\uff1a<\/strong>\u70ba\u6578\u64da\u5eab\u7528\u6236\u8a2d\u7f6e\u5f37\u5bc6\u78bc\uff0c\u4e26\u5b9a\u671f\u66f4\u63db\u3002<\/li>\n<li><strong>\u9650\u5236\u7528\u6236\u6b0a\u9650\uff1a<\/strong>\u50c5\u6388\u4e88\u7528\u6236\u6240\u9700\u7684\u6700\u4f4e\u6b0a\u9650\uff0c\u907f\u514d\u904e\u5ea6\u6388\u6b0a\u3002<\/li>\n<li><strong>\u4f7f\u7528\u9810\u8655\u7406\u8a9e\u53e5\uff1a<\/strong>\u9632\u6b62SQL\u6ce8\u5165\u653b\u64ca\uff0c\u4f7f\u7528\u9810\u8655\u7406\u8a9e\u53e5\u4f86\u57f7\u884c\u67e5\u8a62\u3002\u4f8b\u5982\uff1a<\/li>\n<pre><code>stmt = $pdo-&gt;prepare(\"SELECT * FROM users WHERE email = :email\");\n$stmt-&gt;execute(['email' =&gt; $email]);<\/code><\/pre>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-WKrRlHWttK\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u4f7f\u7528MySQL\u6578\u64da\u5eab\u7684\u904e\u7a0b\u4e2d\uff0c\u9047\u5230\u56f0\u96e3\u662f\u4e0d\u53ef\u907f\u514d\u7684\u3002\u7136\u800c\uff0c\u901a\u904e\u4e86\u89e3\u5e38\u898b\u554f\u984c\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff0c\u7528\u6236\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u7ba1\u7406\u548c\u7dad\u8b77\u6578\u64da\u5eab\u3002\u7121\u8ad6\u662f\u9023\u63a5\u554f\u984c\u3001\u6027\u80fd\u74f6\u9838\u3001\u6578\u64da\u640d\u58de\u9084\u662f\u5b89\u5168\u6027\u6311\u6230\uff0c\u53ca\u6642\u7684\u6aa2\u67e5\u548c\u512a\u5316\u90fd\u662f\u95dc\u9375\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u5c0b\u627e\u5408\u9069\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4f86\u63d0\u5347\u60a8\u7684\u6578\u64da\u5eab\u6027\u80fd\u548c\u5b89\u5168\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a\u4f7f\u7528MySQL\u6578\u64da\u5eab\u6642\u9047\u5230\u7684\u5e38\u898b\u56f0\u96e3\uff0c\u63d0\u4f9b\u5be6\u7528\u6280\u5de7\u548c\u6700\u4f73\u5be6\u8e10\uff0c\u52a9\u60a8\u9ad8\u6548\u7ba1\u7406\u6578\u64da\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-183862","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183862","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=183862"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183862\/revisions"}],"predecessor-version":[{"id":183863,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183862\/revisions\/183863"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=183862"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=183862"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=183862"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}