{"id":174999,"date":"2024-11-08T01:41:26","date_gmt":"2024-11-07T17:41:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/174999\/"},"modified":"2024-11-08T01:41:27","modified_gmt":"2024-11-07T17:41:27","slug":"%e5%a6%82%e4%bd%95%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e6%89%80%e6%9c%89%e4%ba%8b%e4%bb%b6%ef%bc%9f-%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e6%89%80%e6%9c%89%e4%ba%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/174999\/","title":{"rendered":"\u5982\u4f55\u522a\u9664\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u4e8b\u4ef6\uff1f (\u522a\u9664\u6578\u64da\u5eab\u6240\u6709\u4e8b\u4ef6)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e6%89%80%e6%9c%89%e4%ba%8b%e4%bb%b6%ef%bc%9f-%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e6%89%80%e6%9c%89%e4%ba%8b-ADfVqUyYjP\">\u5982\u4f55\u522a\u9664\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u4e8b\u4ef6\uff1f (\u522a\u9664\u6578\u64da\u5eab\u6240\u6709\u4e8b\u4ef6)<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u4e8b\u4ef6\uff08Event\uff09\u662f\u4e00\u7a2e\u5b9a\u671f\u57f7\u884c\u7684\u4efb\u52d9\uff0c\u901a\u5e38\u7528\u65bc\u81ea\u52d5\u5316\u67d0\u4e9b\u64cd\u4f5c\uff0c\u5982\u5b9a\u6642\u5099\u4efd\u3001\u6578\u64da\u6e05\u7406\u7b49\u3002\u7136\u800c\uff0c\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u53ef\u80fd\u6703\u51fa\u73fe\u9700\u8981\u522a\u9664\u6240\u6709\u4e8b\u4ef6\u7684\u60c5\u6cc1\uff0c\u4f8b\u5982\u5728\u9032\u884c\u6578\u64da\u5eab\u91cd\u69cb\u6216\u6e05\u7406\u6642\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u6709\u6548\u5730\u522a\u9664\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u4e8b\u4ef6\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u6b65\u9a5f\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%95%b8%e6%93%9a%e5%ba%ab%e4%ba%8b%e4%bb%b6%ef%bc%9f-ADfVqUyYjP\">\u4ec0\u9ebc\u662f\u6578\u64da\u5eab\u4e8b\u4ef6\uff1f<\/h2>\n<p>\u6578\u64da\u5eab\u4e8b\u4ef6\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u6578\u64da\u5eab\u5c0d\u8c61\uff0c\u5141\u8a31\u7528\u6236\u5728\u6307\u5b9a\u7684\u6642\u9593\u9593\u9694\u5167\u81ea\u52d5\u57f7\u884c SQL \u8a9e\u53e5\u3002\u9019\u4e9b\u4e8b\u4ef6\u53ef\u4ee5\u7528\u65bc\u5404\u7a2e\u76ee\u7684\uff0c\u4f8b\u5982\u5b9a\u671f\u66f4\u65b0\u6578\u64da\u3001\u57f7\u884c\u5831\u544a\u6216\u6e05\u7406\u904e\u671f\u6578\u64da\u3002\u4e8b\u4ef6\u7684\u4f7f\u7528\u53ef\u4ee5\u5927\u5927\u6e1b\u5c11\u624b\u52d5\u64cd\u4f5c\u7684\u9700\u8981\uff0c\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u81ea\u52d5\u5316\u7a0b\u5ea6\u3002<\/p>\n<h2 id=\"%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e6%89%80%e6%9c%89%e4%ba%8b%e4%bb%b6%e7%9a%84%e6%ad%a5%e9%a9%9f-ADfVqUyYjP\">\u522a\u9664\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u4e8b\u4ef6\u7684\u6b65\u9a5f<\/h2>\n<p>\u522a\u9664\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u4e8b\u4ef6\u53ef\u4ee5\u901a\u904e SQL \u8a9e\u53e5\u4f86\u5be6\u73fe\u3002\u4ee5\u4e0b\u662f\u5177\u9ad4\u7684\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e9%80%a3%e6%8e%a5%e5%88%b0%e6%95%b8%e6%93%9a%e5%ba%ab-ADfVqUyYjP\">1. \u9023\u63a5\u5230\u6578\u64da\u5eab<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u9023\u63a5\u5230\u60a8\u7684\u6578\u64da\u5eab\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4f7f\u7528\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\uff08\u5982 phpMyAdmin\u3001MySQL Workbench\uff09\u6216\u547d\u4ee4\u884c\u5de5\u5177\u4f86\u5b8c\u6210\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 MySQL \u547d\u4ee4\u884c\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>mysql -u username -p<\/code><\/pre>\n<p>\u5728\u63d0\u793a\u7b26\u4e0b\u8f38\u5165\u60a8\u7684\u5bc6\u78bc\u4ee5\u9032\u5165\u6578\u64da\u5eab\u7ba1\u7406\u754c\u9762\u3002<\/p>\n<h3 id=\"2-%e7%a2%ba%e8%aa%8d%e4%ba%8b%e4%bb%b6%e7%9a%84%e5%ad%98%e5%9c%a8-ADfVqUyYjP\">2. \u78ba\u8a8d\u4e8b\u4ef6\u7684\u5b58\u5728<\/h3>\n<p>\u5728\u522a\u9664\u4e8b\u4ef6\u4e4b\u524d\uff0c\u60a8\u53ef\u4ee5\u5148\u67e5\u770b\u7576\u524d\u6578\u64da\u5eab\u4e2d\u5b58\u5728\u7684\u6240\u6709\u4e8b\u4ef6\u3002\u4f7f\u7528\u4ee5\u4e0b SQL \u8a9e\u53e5\u4f86\u67e5\u8a62\u4e8b\u4ef6\uff1a<\/p>\n<pre><code>SHOW EVENTS;<\/code><\/pre>\n<p>\u9019\u5c07\u5217\u51fa\u7576\u524d\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u4e8b\u4ef6\uff0c\u5305\u62ec\u4e8b\u4ef6\u540d\u7a31\u3001\u6642\u9593\u548c\u72c0\u614b\u7b49\u4fe1\u606f\u3002<\/p>\n<h3 id=\"3-%e5%88%aa%e9%99%a4%e6%89%80%e6%9c%89%e4%ba%8b%e4%bb%b6-ADfVqUyYjP\">3. \u522a\u9664\u6240\u6709\u4e8b\u4ef6<\/h3>\n<p>\u8981\u522a\u9664\u6240\u6709\u4e8b\u4ef6\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u8a9e\u53e5\uff1a<\/p>\n<pre><code>DROP EVENT IF EXISTS event_name;<\/code><\/pre>\n<p>\u4e0d\u904e\uff0c\u9019\u9700\u8981\u60a8\u9010\u4e00\u5217\u51fa\u6bcf\u500b\u4e8b\u4ef6\u7684\u540d\u7a31\u3002\u5982\u679c\u60a8\u5e0c\u671b\u4e00\u6b21\u6027\u522a\u9664\u6240\u6709\u4e8b\u4ef6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n<pre><code>SELECT CONCAT('DROP EVENT IF EXISTS ', event_name, ';') \nFROM information_schema.EVENTS \nWHERE event_schema = 'your_database_name';<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u751f\u6210\u4e00\u7cfb\u5217\u7684 DROP EVENT \u8a9e\u53e5\uff0c\u60a8\u53ef\u4ee5\u5c07\u5176\u8907\u88fd\u4e26\u57f7\u884c\u4ee5\u522a\u9664\u6240\u6709\u4e8b\u4ef6\u3002<\/p>\n<h3 id=\"4-%e7%a2%ba%e8%aa%8d%e4%ba%8b%e4%bb%b6%e5%b7%b2%e8%a2%ab%e5%88%aa%e9%99%a4-ADfVqUyYjP\">4. \u78ba\u8a8d\u4e8b\u4ef6\u5df2\u88ab\u522a\u9664<\/h3>\n<p>\u6700\u5f8c\uff0c\u60a8\u53ef\u4ee5\u518d\u6b21\u4f7f\u7528 <code>SHOW EVENTS;<\/code> \u8a9e\u53e5\u4f86\u78ba\u8a8d\u6240\u6709\u4e8b\u4ef6\u5df2\u6210\u529f\u522a\u9664\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-ADfVqUyYjP\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u5728\u522a\u9664\u4e8b\u4ef6\u4e4b\u524d\uff0c\u5efa\u8b70\u5099\u4efd\u6578\u64da\u5eab\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u522a\u9664\u91cd\u8981\u7684\u4e8b\u4ef6\u3002<\/li>\n<li>\u78ba\u4fdd\u60a8\u64c1\u6709\u8db3\u5920\u7684\u6b0a\u9650\u4f86\u522a\u9664\u4e8b\u4ef6\uff0c\u5426\u5247\u53ef\u80fd\u6703\u9047\u5230\u6b0a\u9650\u4e0d\u8db3\u7684\u932f\u8aa4\u3002<\/li>\n<li>\u522a\u9664\u4e8b\u4ef6\u5f8c\uff0c\u76f8\u95dc\u7684\u81ea\u52d5\u5316\u4efb\u52d9\u5c07\u4e0d\u518d\u57f7\u884c\uff0c\u8acb\u6839\u64da\u9700\u8981\u9032\u884c\u8abf\u6574\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ADfVqUyYjP\">\u7e3d\u7d50<\/h2>\n<p>\u522a\u9664\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u4e8b\u4ef6\u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u53ea\u9700\u5e7e\u689d SQL \u8a9e\u53e5\u5373\u53ef\u5b8c\u6210\u3002\u901a\u904e\u4e0a\u8ff0\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\u4e2d\u7684\u4e8b\u4ef6\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u6574\u6f54\u548c\u9ad8\u6548\u904b\u884c\u3002\u5982\u679c\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u5c0b\u627e\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728\u6578\u64da\u5eab\u4e2d\u522a\u9664\u6240\u6709\u4e8b\u4ef6\u7684\u6b65\u9a5f\uff0c\u78ba\u4fdd\u6578\u64da\u6e05\u7406\u548c\u7ba1\u7406\u7684\u6709\u6548\u6027\uff0c\u63d0\u5347\u7cfb\u7d71\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-174999","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174999","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=174999"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174999\/revisions"}],"predecessor-version":[{"id":175000,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174999\/revisions\/175000"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=174999"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=174999"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=174999"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}