{"id":160219,"date":"2024-11-03T21:16:19","date_gmt":"2024-11-03T13:16:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160219\/"},"modified":"2024-11-03T21:16:20","modified_gmt":"2024-11-03T13:16:20","slug":"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-schema","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160219\/","title":{"rendered":"OceanBase \u6559\u7a0b\uff1aOceanBase SCHEMA"},"content":{"rendered":"<h1 id=\"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-schema-LDOvcPZNqe\">OceanBase \u6559\u7a0b\uff1aOceanBase SCHEMA<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u5c0d\u65bc\u4f01\u696d\u7684\u6210\u529f\u81f3\u95dc\u91cd\u8981\u3002OceanBase \u4f5c\u70ba\u4e00\u6b3e\u9ad8\u6027\u80fd\u7684\u5206\u4f48\u5f0f\u6578\u64da\u5eab\uff0c\u5df2\u7d93\u5728\u591a\u500b\u884c\u696d\u4e2d\u5f97\u5230\u4e86\u5ee3\u6cdb\u61c9\u7528\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e OceanBase \u7684 SCHEMA \u6982\u5ff5\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5176\u7d50\u69cb\u548c\u4f7f\u7528\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-oceanbase-schema%ef%bc%9f-LDOvcPZNqe\">\u4ec0\u9ebc\u662f OceanBase SCHEMA\uff1f<\/h2>\n<p>\u5728 OceanBase \u4e2d\uff0cSCHEMA \u662f\u4e00\u500b\u908f\u8f2f\u7d50\u69cb\uff0c\u7528\u65bc\u7d44\u7e54\u548c\u7ba1\u7406\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u3002\u5b83\u985e\u4f3c\u65bc\u5176\u4ed6\u6578\u64da\u5eab\u7cfb\u7d71\u4e2d\u7684\u6578\u64da\u5eab\u6216\u547d\u540d\u7a7a\u9593\uff0c\u4e3b\u8981\u7528\u65bc\u5c07\u6578\u64da\u8868\u3001\u8996\u5716\u3001\u7d22\u5f15\u7b49\u7d44\u7e54\u5728\u4e00\u8d77\u3002SCHEMA \u7684\u4f7f\u7528\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7ba1\u7406\u6578\u64da\uff0c\u4e26\u63d0\u9ad8\u6578\u64da\u7684\u53ef\u7528\u6027\u548c\u5b89\u5168\u6027\u3002<\/p>\n<h2 id=\"oceanbase-schema-%e7%9a%84%e5%9f%ba%e6%9c%ac%e7%b5%90%e6%a7%8b-LDOvcPZNqe\">OceanBase SCHEMA \u7684\u57fa\u672c\u7d50\u69cb<\/h2>\n<p>OceanBase \u7684 SCHEMA \u7d50\u69cb\u4e3b\u8981\u7531\u4ee5\u4e0b\u5e7e\u500b\u90e8\u5206\u7d44\u6210\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u8868\uff08Table\uff09<\/strong>\uff1a\u6578\u64da\u8868\u662f SCHEMA \u4e2d\u7684\u57fa\u672c\u55ae\u4f4d\uff0c\u7528\u65bc\u5b58\u5132\u6578\u64da\u3002\u6bcf\u500b\u6578\u64da\u8868\u7531\u591a\u500b\u5217\uff08Column\uff09\u7d44\u6210\uff0c\u5217\u5b9a\u7fa9\u4e86\u6578\u64da\u7684\u985e\u578b\u548c\u5c6c\u6027\u3002<\/li>\n<li><strong>\u7d22\u5f15\uff08Index\uff09<\/strong>\uff1a\u7d22\u5f15\u662f\u7528\u65bc\u52a0\u901f\u6578\u64da\u6aa2\u7d22\u7684\u7d50\u69cb\u3002OceanBase \u652f\u6301\u591a\u7a2e\u7d22\u5f15\u985e\u578b\uff0c\u5305\u62ec\u4e3b\u9375\u7d22\u5f15\u3001\u552f\u4e00\u7d22\u5f15\u548c\u666e\u901a\u7d22\u5f15\u3002<\/li>\n<li><strong>\u8996\u5716\uff08View\uff09<\/strong>\uff1a\u8996\u5716\u662f\u57fa\u65bc\u4e00\u500b\u6216\u591a\u500b\u6578\u64da\u8868\u7684\u865b\u64ec\u8868\uff0c\u53ef\u4ee5\u7528\u65bc\u7c21\u5316\u67e5\u8a62\u548c\u6578\u64da\u7ba1\u7406\u3002<\/li>\n<li><strong>\u7d04\u675f\uff08Constraint\uff09<\/strong>\uff1a\u7d04\u675f\u7528\u65bc\u9650\u5236\u6578\u64da\u7684\u8f38\u5165\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%89%b5%e5%bb%ba-oceanbase-schema-LDOvcPZNqe\">\u5982\u4f55\u5275\u5efa OceanBase SCHEMA<\/h2>\n<p>\u5728 OceanBase \u4e2d\u5275\u5efa SCHEMA \u7684\u904e\u7a0b\u76f8\u5c0d\u7c21\u55ae\u3002\u4ee5\u4e0b\u662f\u5275\u5efa SCHEMA \u7684\u57fa\u672c SQL \u8a9e\u6cd5\uff1a<\/p>\n<pre><code>CREATE SCHEMA schema_name;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u5275\u5efa\u4e00\u500b\u540d\u70ba `my_schema` \u7684 SCHEMA\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>CREATE SCHEMA my_schema;<\/code><\/pre>\n<h2 id=\"%e5%9c%a8-schema-%e4%b8%ad%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e8%a1%a8-LDOvcPZNqe\">\u5728 SCHEMA \u4e2d\u5275\u5efa\u6578\u64da\u8868<\/h2>\n<p>\u5275\u5efa SCHEMA \u5f8c\uff0c\u60a8\u53ef\u4ee5\u5728\u5176\u4e2d\u5275\u5efa\u6578\u64da\u8868\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u6578\u64da\u8868\u7684\u57fa\u672c\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>CREATE TABLE schema_name.table_name (\n    column1 datatype,\n    column2 datatype,\n    ...\n);<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u5728 `my_schema` \u4e2d\u5275\u5efa\u4e00\u500b\u540d\u70ba `users` \u7684\u6578\u64da\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>CREATE TABLE my_schema.users (\n    id INT PRIMARY KEY,\n    name VARCHAR(100),\n    email VARCHAR(100) UNIQUE\n);<\/code><\/pre>\n<h2 id=\"%e7%ae%a1%e7%90%86-oceanbase-schema-LDOvcPZNqe\">\u7ba1\u7406 OceanBase SCHEMA<\/h2>\n<p>\u5728 OceanBase \u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u591a\u7a2e SQL \u547d\u4ee4\u4f86\u7ba1\u7406 SCHEMA\u3002\u4f8b\u5982\uff0c\u82e5\u8981\u67e5\u770b\u7576\u524d SCHEMA \u4e2d\u7684\u6240\u6709\u6578\u64da\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>SHOW TABLES IN my_schema;<\/code><\/pre>\n<p>\u6b64\u5916\uff0c\u60a8\u9084\u53ef\u4ee5\u4f7f\u7528 `DROP` \u547d\u4ee4\u522a\u9664 SCHEMA \u6216\u6578\u64da\u8868\uff1a<\/p>\n<pre><code>DROP SCHEMA schema_name;<\/code><\/pre>\n<pre><code>DROP TABLE schema_name.table_name;<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-LDOvcPZNqe\">\u7e3d\u7d50<\/h2>\n<p>OceanBase \u7684 SCHEMA \u6982\u5ff5\u70ba\u7528\u6236\u63d0\u4f9b\u4e86\u4e00\u7a2e\u9748\u6d3b\u4e14\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u65b9\u5f0f\u3002\u901a\u904e\u5408\u7406\u5730\u8a2d\u8a08\u548c\u4f7f\u7528 SCHEMA\uff0c\u4f01\u696d\u53ef\u4ee5\u66f4\u597d\u5730\u7d44\u7e54\u548c\u7ba1\u7406\u5176\u6578\u64da\u8cc7\u6e90\uff0c\u5f9e\u800c\u63d0\u9ad8\u696d\u52d9\u904b\u71df\u7684\u6548\u7387\u3002\u82e5\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u9999\u6e2f\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u611f\u8208\u8da3\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u642d\u5efa\u548c\u7ba1\u7406\u60a8\u7684\u6578\u64da\u5eab\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Learn how to effectively use OceanBase SCHEMA in our comprehensive tutorial, covering key concepts and practical examples for optimal database management.<\/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-160219","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160219","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=160219"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160219\/revisions"}],"predecessor-version":[{"id":160220,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160219\/revisions\/160220"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=160219"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=160219"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=160219"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}