{"id":172035,"date":"2024-11-07T09:44:56","date_gmt":"2024-11-07T01:44:56","guid":{"rendered":"https:\/\/server.hk\/cnblog\/172035\/"},"modified":"2024-11-07T09:44:57","modified_gmt":"2024-11-07T01:44:57","slug":"%e6%b8%85%e7%90%86%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9a%e4%b8%8d%e5%88%aa%e6%87%89%e7%94%a8%e9%82%84%e5%8e%9f%e7%a9%ba%e9%96%93-%e4%b8%8d%e5%88%aa%e9%99%a4%e6%87%89%e7%94%a8%e7%a8%8b%e5%ba%8f%e6%80%8e","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/172035\/","title":{"rendered":"\u6e05\u7406\u6578\u64da\u5eab\uff1a\u4e0d\u522a\u61c9\u7528\u9084\u539f\u7a7a\u9593 (\u4e0d\u522a\u9664\u61c9\u7528\u7a0b\u5e8f\u600e\u9ebc\u6e05\u695a\u6578\u64da\u5eab)"},"content":{"rendered":"

\u6e05\u7406\u6578\u64da\u5eab\uff1a\u4e0d\u522a\u61c9\u7528\u9084\u539f\u7a7a\u9593 (\u4e0d\u522a\u9664\u61c9\u7528\u7a0b\u5e8f\u600e\u9ebc\u6e05\u695a\u6578\u64da\u5eab)<\/h1>\n

\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u96a8\u8457\u61c9\u7528\u7a0b\u5e8f\u7684\u4f7f\u7528\u589e\u9577\uff0c\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u91cf\u4e5f\u96a8\u4e4b\u589e\u52a0\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u548c\u5b58\u5132\u7a7a\u9593\u4e0d\u8db3\u7684\u554f\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728\u4e0d\u522a\u9664\u61c9\u7528\u7a0b\u5e8f\u7684\u60c5\u6cc1\u4e0b\uff0c\u6e05\u7406\u6578\u64da\u5eab\u4ee5\u9084\u539f\u7a7a\u9593\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u6709\u6548\u7684\u7b56\u7565\u548c\u6280\u8853\u3002<\/p>\n

\u70ba\u4ec0\u9ebc\u9700\u8981\u6e05\u7406\u6578\u64da\u5eab\uff1f<\/h2>\n

\u6578\u64da\u5eab\u6e05\u7406\u7684\u4e3b\u8981\u76ee\u7684\u662f\u91cb\u653e\u5b58\u5132\u7a7a\u9593\uff0c\u63d0\u5347\u6027\u80fd\uff0c\u4e26\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u6578\u64da\u5eab\u4e2d\u53ef\u80fd\u6703\u7a4d\u7d2f\u5927\u91cf\u7684\u5197\u9918\u6578\u64da\u3001\u904e\u671f\u6578\u64da\u548c\u7121\u7528\u7684\u8a18\u9304\uff0c\u9019\u4e9b\u90fd\u6703\u5f71\u97ff\u67e5\u8a62\u901f\u5ea6\u548c\u7cfb\u7d71\u7684\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n

\u6e05\u7406\u6578\u64da\u5eab\u7684\u7b56\u7565<\/h2>\n

1. \u5b9a\u671f\u5099\u4efd<\/h3>\n

\u5728\u9032\u884c\u4efb\u4f55\u6e05\u7406\u64cd\u4f5c\u4e4b\u524d\uff0c\u9996\u5148\u61c9\u8a72\u5c0d\u6578\u64da\u5eab\u9032\u884c\u5099\u4efd\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u5728\u6e05\u7406\u904e\u7a0b\u4e2d\u4e0d\u6703\u610f\u5916\u522a\u9664\u91cd\u8981\u6578\u64da\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u547d\u4ee4\u9032\u884c\u5099\u4efd\uff1a<\/p>\n

mysqldump -u username -p database_name > backup_file.sql<\/code><\/pre>\n
2. \u522a\u9664\u5197\u9918\u6578\u64da<\/h3>\n
\u5197\u9918\u6578\u64da\u662f\u6307\u91cd\u8907\u7684\u6216\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u3002\u53ef\u4ee5\u901a\u904e\u67e5\u8a62\u4f86\u8b58\u5225\u9019\u4e9b\u6578\u64da\uff0c\u7136\u5f8c\u4f7f\u7528DELETE\u8a9e\u53e5\u5c07\u5176\u522a\u9664\u3002\u4f8b\u5982\uff1a<\/p>\n
DELETE FROM table_name WHERE condition;<\/code><\/pre>\n
3. \u6e05\u7406\u904e\u671f\u6578\u64da<\/h3>\n
\u8a31\u591a\u61c9\u7528\u7a0b\u5e8f\u6703\u751f\u6210\u81e8\u6642\u6578\u64da\u6216\u904e\u671f\u6578\u64da\uff0c\u9019\u4e9b\u6578\u64da\u5728\u4e00\u5b9a\u6642\u9593\u5f8c\u4e0d\u518d\u9700\u8981\u3002\u53ef\u4ee5\u8a2d\u7f6e\u5b9a\u671f\u4efb\u52d9\u81ea\u52d5\u522a\u9664\u9019\u4e9b\u6578\u64da\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u4e00\u500b\u65e5\u8a8c\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u547d\u4ee4\u522a\u9664\u8d85\u904e30\u5929\u7684\u8a18\u9304\uff1a<\/p>\n
DELETE FROM logs WHERE log_date < NOW() - INTERVAL 30 DAY;<\/code><\/pre>\n
4. \u4f7f\u7528\u7d22\u5f15\u512a\u5316\u67e5\u8a62<\/h3>\n
\u7d22\u5f15\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u4f46\u904e\u591a\u6216\u4e0d\u5fc5\u8981\u7684\u7d22\u5f15\u6703\u4f54\u7528\u7a7a\u9593\u3002\u5b9a\u671f\u6aa2\u67e5\u548c\u512a\u5316\u7d22\u5f15\u662f\u5fc5\u8981\u7684\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u7d22\u5f15\uff1a<\/p>\n
SHOW INDEX FROM table_name;<\/code><\/pre>\n
\u7136\u5f8c\u6839\u64da\u9700\u8981\u522a\u9664\u4e0d\u5fc5\u8981\u7684\u7d22\u5f15\uff1a<\/p>\n
ALTER TABLE table_name DROP INDEX index_name;<\/code><\/pre>\n
5. \u6578\u64da\u58d3\u7e2e<\/h3>\n
\u8a31\u591a\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u652f\u6301\u6578\u64da\u58d3\u7e2e\u529f\u80fd\uff0c\u53ef\u4ee5\u6709\u6548\u6e1b\u5c11\u5b58\u5132\u7a7a\u9593\u7684\u4f7f\u7528\u3002\u555f\u7528\u6578\u64da\u58d3\u7e2e\u5f8c\uff0c\u6578\u64da\u5eab\u5c07\u81ea\u52d5\u58d3\u7e2e\u5b58\u5132\u7684\u6578\u64da\uff0c\u5f9e\u800c\u91cb\u653e\u7a7a\u9593\u3002<\/p>\n
\u76e3\u63a7\u548c\u7dad\u8b77<\/h2>\n
\u6e05\u7406\u6578\u64da\u5eab\u662f\u4e00\u500b\u6301\u7e8c\u7684\u904e\u7a0b\uff0c\u5b9a\u671f\u76e3\u63a7\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u5b58\u5132\u4f7f\u7528\u60c5\u6cc1\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u53ef\u4ee5\u4f7f\u7528\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\u4f86\u8ddf\u8e64\u6578\u64da\u5eab\u7684\u5065\u5eb7\u72c0\u6cc1\uff0c\u4e26\u53ca\u6642\u9032\u884c\u7dad\u8b77\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
\u6e05\u7406\u6578\u64da\u5eab\u662f\u78ba\u4fdd\u61c9\u7528\u7a0b\u5e8f\u9ad8\u6548\u904b\u884c\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u901a\u904e\u5b9a\u671f\u5099\u4efd\u3001\u522a\u9664\u5197\u9918\u548c\u904e\u671f\u6578\u64da\u3001\u512a\u5316\u7d22\u5f15\u4ee5\u53ca\u4f7f\u7528\u6578\u64da\u58d3\u7e2e\u7b49\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5728\u4e0d\u522a\u9664\u61c9\u7528\u7a0b\u5e8f\u7684\u60c5\u6cc1\u4e0b\u6709\u6548\u9084\u539f\u7a7a\u9593\u3002\u9019\u4e0d\u50c5\u80fd\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\uff0c\u9084\u80fd\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u53ef\u7528\u6027\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u7ba1\u7406\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u548c\u512a\u5316\u60a8\u7684\u6578\u64da\u5eab\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5b78\u7fd2\u5982\u4f55\u5728\u4e0d\u522a\u9664\u61c9\u7528\u7a0b\u5e8f\u7684\u60c5\u6cc1\u4e0b\u6e05\u7406\u6578\u64da\u5eab\uff0c\u91cb\u653e\u7a7a\u9593\u4e26\u512a\u5316\u8a2d\u5099\u6027\u80fd\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-172035","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/172035","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=172035"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/172035\/revisions"}],"predecessor-version":[{"id":172036,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/172035\/revisions\/172036"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=172035"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=172035"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=172035"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}