{"id":160059,"date":"2024-11-03T19:56:20","date_gmt":"2024-11-03T11:56:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160059\/"},"modified":"2024-11-03T19:56:22","modified_gmt":"2024-11-03T11:56:22","slug":"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-alter-database","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160059\/","title":{"rendered":"OceanBase \u6559\u7a0b\uff1aOceanBase ALTER DATABASE"},"content":{"rendered":"<h1 id=\"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-alter-database-GzfdfuEhXd\">OceanBase \u6559\u7a0b\uff1aOceanBase ALTER DATABASE<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0cOceanBase \u4f5c\u70ba\u4e00\u500b\u9ad8\u6027\u80fd\u7684\u5206\u4f48\u5f0f\u6578\u64da\u5eab\uff0c\u8d8a\u4f86\u8d8a\u53d7\u5230\u4f01\u696d\u7684\u9752\u775e\u3002\u5b83\u4e0d\u50c5\u652f\u6301\u9ad8\u4e26\u767c\u7684\u8b80\u5beb\u64cd\u4f5c\uff0c\u9084\u5177\u5099\u826f\u597d\u7684\u64f4\u5c55\u6027\u548c\u5bb9\u932f\u80fd\u529b\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e OceanBase \u4e2d\u7684 ALTER DATABASE \u547d\u4ee4\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7ba1\u7406\u548c\u914d\u7f6e\u6578\u64da\u5eab\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-alter-database%ef%bc%9f-GzfdfuEhXd\">\u4ec0\u9ebc\u662f ALTER DATABASE\uff1f<\/h2>\n<p>ALTER DATABASE \u662f SQL \u8a9e\u8a00\u4e2d\u7684\u4e00\u500b\u547d\u4ee4\uff0c\u7528\u65bc\u4fee\u6539\u6578\u64da\u5eab\u7684\u5c6c\u6027\u548c\u914d\u7f6e\u3002\u5728 OceanBase \u4e2d\uff0c\u9019\u500b\u547d\u4ee4\u53ef\u4ee5\u7528\u4f86\u8abf\u6574\u6578\u64da\u5eab\u7684\u5404\u7a2e\u53c3\u6578\uff0c\u4f8b\u5982\u5b57\u7b26\u96c6\u3001\u6392\u5e8f\u898f\u5247\u3001\u6578\u64da\u5eab\u7684\u72c0\u614b\u7b49\u3002\u9019\u4e9b\u4fee\u6539\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u6839\u64da\u5be6\u969b\u9700\u6c42\u4f86\u512a\u5316\u6578\u64da\u5eab\u6027\u80fd\u3002<\/p>\n<h2 id=\"alter-database-%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-GzfdfuEhXd\">ALTER DATABASE \u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<pre><code>ALTER DATABASE database_name [options];<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<code>database_name<\/code> \u662f\u4f60\u60f3\u8981\u4fee\u6539\u7684\u6578\u64da\u5eab\u540d\u7a31\uff0c\u800c <code>[options]<\/code> \u5247\u662f\u4f60\u5e0c\u671b\u66f4\u6539\u7684\u5177\u9ad4\u9078\u9805\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u9078\u9805\uff1a<\/p>\n<ul>\n<li><code>CHARACTER SET<\/code>\uff1a\u7528\u65bc\u8a2d\u7f6e\u6578\u64da\u5eab\u7684\u5b57\u7b26\u96c6\u3002<\/li>\n<li><code>COLLATE<\/code>\uff1a\u7528\u65bc\u8a2d\u7f6e\u6578\u64da\u5eab\u7684\u6392\u5e8f\u898f\u5247\u3002<\/li>\n<li><code>RENAME TO<\/code>\uff1a\u7528\u65bc\u91cd\u547d\u540d\u6578\u64da\u5eab\u3002<\/li>\n<li><code>SET DEFAULT<\/code>\uff1a\u7528\u65bc\u8a2d\u7f6e\u6578\u64da\u5eab\u7684\u9ed8\u8a8d\u5c6c\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e7%a4%ba%e4%be%8b-GzfdfuEhXd\">\u4f7f\u7528\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f7f\u7528 ALTER DATABASE \u7684\u793a\u4f8b\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7406\u89e3\u5982\u4f55\u5728 OceanBase \u4e2d\u9032\u884c\u64cd\u4f5c\u3002<\/p>\n<h3 id=\"1-%e4%bf%ae%e6%94%b9%e5%ad%97%e7%ac%a6%e9%9b%86-GzfdfuEhXd\">1. \u4fee\u6539\u5b57\u7b26\u96c6<\/h3>\n<pre><code>ALTER DATABASE my_database CHARACTER SET utf8mb4;<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u6578\u64da\u5eab <code>my_database<\/code> \u7684\u5b57\u7b26\u96c6\u4fee\u6539\u70ba <code>utf8mb4<\/code>\uff0c\u9019\u662f\u4e00\u7a2e\u652f\u6301\u591a\u7a2e\u8a9e\u8a00\u5b57\u7b26\u7684\u5b57\u7b26\u96c6\uff0c\u9069\u5408\u7528\u65bc\u570b\u969b\u5316\u61c9\u7528\u3002<\/p>\n<h3 id=\"2-%e4%bf%ae%e6%94%b9%e6%8e%92%e5%ba%8f%e8%a6%8f%e5%89%87-GzfdfuEhXd\">2. \u4fee\u6539\u6392\u5e8f\u898f\u5247<\/h3>\n<pre><code>ALTER DATABASE my_database COLLATE utf8mb4_general_ci;<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u6578\u64da\u5eab <code>my_database<\/code> \u7684\u6392\u5e8f\u898f\u5247\u4fee\u6539\u70ba <code>utf8mb4_general_ci<\/code>\uff0c\u9019\u6a23\u53ef\u4ee5\u5728\u9032\u884c\u5b57\u7b26\u4e32\u6bd4\u8f03\u6642\u5ffd\u7565\u5927\u5c0f\u5beb\u3002<\/p>\n<h3 id=\"3-%e9%87%8d%e5%91%bd%e5%90%8d%e6%95%b8%e6%93%9a%e5%ba%ab-GzfdfuEhXd\">3. \u91cd\u547d\u540d\u6578\u64da\u5eab<\/h3>\n<pre><code>ALTER DATABASE my_database RENAME TO new_database_name;<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u6578\u64da\u5eab <code>my_database<\/code> \u91cd\u547d\u540d\u70ba <code>new_database_name<\/code>\uff0c\u9019\u5728\u9700\u8981\u66f4\u6539\u6578\u64da\u5eab\u540d\u7a31\u6642\u975e\u5e38\u6709\u7528\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-GzfdfuEhXd\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528 ALTER DATABASE \u547d\u4ee4\u6642\uff0c\u7528\u6236\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u5728\u57f7\u884c\u547d\u4ee4\u4e4b\u524d\u5099\u4efd\u6578\u64da\u5eab\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li>\u67d0\u4e9b\u4fee\u6539\u53ef\u80fd\u6703\u5f71\u97ff\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u5efa\u8b70\u5728\u4f4e\u5cf0\u671f\u9032\u884c\u64cd\u4f5c\u3002<\/li>\n<li>\u5728\u4fee\u6539\u5b57\u7b26\u96c6\u6216\u6392\u5e8f\u898f\u5247\u6642\uff0c\u9700\u8003\u616e\u5230\u73fe\u6709\u6578\u64da\u7684\u517c\u5bb9\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-GzfdfuEhXd\">\u7e3d\u7d50<\/h2>\n<p>ALTER DATABASE \u662f OceanBase \u4e2d\u4e00\u500b\u5f37\u5927\u7684\u547d\u4ee4\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u9748\u6d3b\u5730\u7ba1\u7406\u6578\u64da\u5eab\u7684\u5c6c\u6027\u3002\u901a\u904e\u6b63\u78ba\u4f7f\u7528\u9019\u500b\u547d\u4ee4\uff0c\u7528\u6236\u53ef\u4ee5\u512a\u5316\u6578\u64da\u5eab\u6027\u80fd\uff0c\u6eff\u8db3\u4e0d\u540c\u7684\u696d\u52d9\u9700\u6c42\u3002\u82e5\u60a8\u5c0d\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u6216\u5176\u4ed6 <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a> \u670d\u52d9\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Learn how to use the ALTER DATABASE command in OceanBase with this comprehensive tutorial, enhancing your database management skills effectively.<\/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-160059","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160059","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=160059"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160059\/revisions"}],"predecessor-version":[{"id":160060,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160059\/revisions\/160060"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=160059"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=160059"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=160059"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}