{"id":160203,"date":"2024-11-03T21:08:21","date_gmt":"2024-11-03T13:08:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160203\/"},"modified":"2024-11-03T21:08:22","modified_gmt":"2024-11-03T13:08:22","slug":"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-purge-database","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160203\/","title":{"rendered":"OceanBase \u6559\u7a0b\uff1aOceanBase PURGE DATABASE"},"content":{"rendered":"<h1 id=\"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-purge-database-TTwhkMuYaL\">OceanBase \u6559\u7a0b\uff1aOceanBase PURGE DATABASE<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u7dad\u8b77\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002OceanBase \u4f5c\u70ba\u4e00\u6b3e\u9ad8\u6027\u80fd\u7684\u5206\u4f48\u5f0f\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u529f\u80fd\u4f86\u5e6b\u52a9\u7528\u6236\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u3002\u672c\u6587\u5c07\u91cd\u9ede\u4ecb\u7d39 OceanBase \u4e2d\u7684 PURGE DATABASE \u529f\u80fd\uff0c\u4e26\u63d0\u4f9b\u8a73\u7d30\u7684\u64cd\u4f5c\u6b65\u9a5f\u548c\u6ce8\u610f\u4e8b\u9805\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-oceanbase-purge-database%ef%bc%9f-TTwhkMuYaL\">\u4ec0\u9ebc\u662f OceanBase PURGE DATABASE\uff1f<\/h2>\n<p>PURGE DATABASE \u662f OceanBase \u4e2d\u4e00\u500b\u91cd\u8981\u7684\u547d\u4ee4\uff0c\u7528\u65bc\u6e05\u9664\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\u5eab\u53ca\u5176\u76f8\u95dc\u7684\u6240\u6709\u6578\u64da\u3002\u9019\u4e00\u64cd\u4f5c\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u91cb\u653e\u5b58\u5132\u7a7a\u9593\uff0c\u4e26\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\u3002\u7576\u6578\u64da\u5eab\u4e0d\u518d\u4f7f\u7528\u6642\uff0c\u53ca\u6642\u6e05\u7406\u53ef\u4ee5\u907f\u514d\u8cc7\u6e90\u7684\u6d6a\u8cbb\u3002<\/p>\n<h2 id=\"purge-database-%e7%9a%84%e4%bd%bf%e7%94%a8%e5%a0%b4%e6%99%af-TTwhkMuYaL\">PURGE DATABASE \u7684\u4f7f\u7528\u5834\u666f<\/h2>\n<ul>\n<li><strong>\u6578\u64da\u5eab\u91cd\u69cb\uff1a<\/strong>\u5728\u9032\u884c\u6578\u64da\u5eab\u91cd\u69cb\u6216\u5347\u7d1a\u6642\uff0c\u53ef\u80fd\u9700\u8981\u522a\u9664\u820a\u7684\u6578\u64da\u5eab\u3002<\/li>\n<li><strong>\u8cc7\u6e90\u7ba1\u7406\uff1a<\/strong>\u7576\u7cfb\u7d71\u4e2d\u5b58\u5728\u591a\u500b\u4e0d\u518d\u4f7f\u7528\u7684\u6578\u64da\u5eab\u6642\uff0c\u4f7f\u7528 PURGE DATABASE \u53ef\u4ee5\u6709\u6548\u91cb\u653e\u8cc7\u6e90\u3002<\/li>\n<li><strong>\u6578\u64da\u5b89\u5168\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u70ba\u4e86\u4fdd\u8b77\u654f\u611f\u6578\u64da\uff0c\u53ef\u80fd\u9700\u8981\u5b8c\u5168\u522a\u9664\u67d0\u4e9b\u6578\u64da\u5eab\u3002<\/li>\n<\/ul>\n<h2 id=\"purge-database-%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-TTwhkMuYaL\">PURGE DATABASE \u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p>\u5728 OceanBase \u4e2d\uff0c\u4f7f\u7528 PURGE DATABASE \u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>DROP DATABASE [IF EXISTS] database_name;<\/code><\/pre>\n<p>\u9019\u88e1\uff0c<code>database_name<\/code> \u662f\u60a8\u5e0c\u671b\u522a\u9664\u7684\u6578\u64da\u5eab\u540d\u7a31\u3002\u4f7f\u7528 <code>IF EXISTS<\/code> \u53ef\u4ee5\u907f\u514d\u56e0\u6578\u64da\u5eab\u4e0d\u5b58\u5728\u800c\u5f15\u767c\u7684\u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e6%93%8d%e4%bd%9c%e6%ad%a5%e9%a9%9f-TTwhkMuYaL\">\u64cd\u4f5c\u6b65\u9a5f<\/h2>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-1%ef%bc%9a%e9%80%a3%e6%8e%a5%e5%88%b0-oceanbase-%e6%95%b8%e6%93%9a%e5%ba%ab-TTwhkMuYaL\">\u6b65\u9a5f 1\uff1a\u9023\u63a5\u5230 OceanBase \u6578\u64da\u5eab<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u4f7f\u7528\u5408\u9069\u7684\u5ba2\u6236\u7aef\u5de5\u5177\uff08\u5982 MySQL \u5ba2\u6236\u7aef\uff09\u9023\u63a5\u5230 OceanBase \u6578\u64da\u5eab\u3002\u4ee5\u4e0b\u662f\u9023\u63a5\u7684\u57fa\u672c\u547d\u4ee4\uff1a<\/p>\n<pre><code>mysql -h  -P  -u  -p<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-2%ef%bc%9a%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%97%e8%a1%a8-TTwhkMuYaL\">\u6b65\u9a5f 2\uff1a\u6aa2\u67e5\u6578\u64da\u5eab\u5217\u8868<\/h3>\n<p>\u5728\u57f7\u884c\u522a\u9664\u64cd\u4f5c\u4e4b\u524d\uff0c\u5efa\u8b70\u5148\u6aa2\u67e5\u7576\u524d\u7684\u6578\u64da\u5eab\u5217\u8868\uff0c\u4ee5\u78ba\u4fdd\u60a8\u8981\u522a\u9664\u7684\u6578\u64da\u5eab\u540d\u7a31\u6b63\u78ba\u7121\u8aa4\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>SHOW DATABASES;<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-3%ef%bc%9a%e5%9f%b7%e8%a1%8c-purge-database-%e5%91%bd%e4%bb%a4-TTwhkMuYaL\">\u6b65\u9a5f 3\uff1a\u57f7\u884c PURGE DATABASE \u547d\u4ee4<\/h3>\n<p>\u78ba\u8a8d\u6578\u64da\u5eab\u540d\u7a31\u5f8c\uff0c\u60a8\u53ef\u4ee5\u57f7\u884c\u4ee5\u4e0b\u547d\u4ee4\u4f86\u522a\u9664\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>DROP DATABASE IF EXISTS database_name;<\/code><\/pre>\n<p>\u9019\u5c07\u522a\u9664\u6307\u5b9a\u7684\u6578\u64da\u5eab\u53ca\u5176\u6240\u6709\u6578\u64da\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-4%ef%bc%9a%e7%a2%ba%e8%aa%8d%e5%88%aa%e9%99%a4%e7%b5%90%e6%9e%9c-TTwhkMuYaL\">\u6b65\u9a5f 4\uff1a\u78ba\u8a8d\u522a\u9664\u7d50\u679c<\/h3>\n<p>\u6700\u5f8c\uff0c\u60a8\u53ef\u4ee5\u518d\u6b21\u4f7f\u7528 <code>SHOW DATABASES;<\/code> \u547d\u4ee4\u4f86\u78ba\u8a8d\u6578\u64da\u5eab\u662f\u5426\u5df2\u6210\u529f\u522a\u9664\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-TTwhkMuYaL\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u5728\u57f7\u884c PURGE DATABASE \u64cd\u4f5c\u4e4b\u524d\uff0c\u8acb\u52d9\u5fc5\u5099\u4efd\u91cd\u8981\u6578\u64da\uff0c\u4ee5\u9632\u6b62\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li>\u78ba\u4fdd\u60a8\u64c1\u6709\u8db3\u5920\u7684\u6b0a\u9650\u4f86\u57f7\u884c\u522a\u9664\u64cd\u4f5c\uff0c\u5426\u5247\u53ef\u80fd\u6703\u9047\u5230\u6b0a\u9650\u4e0d\u8db3\u7684\u932f\u8aa4\u3002<\/li>\n<li>\u522a\u9664\u64cd\u4f5c\u662f\u4e0d\u53ef\u9006\u7684\uff0c\u8acb\u8b39\u614e\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-TTwhkMuYaL\">\u7e3d\u7d50<\/h2>\n<p>OceanBase \u7684 PURGE DATABASE \u529f\u80fd\u70ba\u7528\u6236\u63d0\u4f9b\u4e86\u4e00\u7a2e\u6709\u6548\u7684\u65b9\u5f0f\u4f86\u7ba1\u7406\u548c\u6e05\u7406\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\u5eab\u3002\u901a\u904e\u6b63\u78ba\u7684\u64cd\u4f5c\u6b65\u9a5f\u548c\u6ce8\u610f\u4e8b\u9805\uff0c\u7528\u6236\u53ef\u4ee5\u5b89\u5168\u5730\u91cb\u653e\u5b58\u5132\u7a7a\u9593\u4e26\u63d0\u9ad8\u7cfb\u7d71\u6027\u80fd\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u5404\u7a2e\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Learn how to effectively use the OceanBase PURGE DATABASE command to manage and optimize your database in this comprehensive tutorial.<\/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-160203","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160203","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=160203"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160203\/revisions"}],"predecessor-version":[{"id":160204,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160203\/revisions\/160204"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=160203"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=160203"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=160203"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}