{"id":160223,"date":"2024-11-03T21:18:59","date_gmt":"2024-11-03T13:18:59","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160223\/"},"modified":"2024-11-03T21:19:00","modified_gmt":"2024-11-03T13:19:00","slug":"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-schema-%e5%b0%8d%e8%b1%a1%e5%91%bd%e5%90%8d%e7%a4%ba%e4%be%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160223\/","title":{"rendered":"OceanBase \u6559\u7a0b\uff1aOceanBase Schema \u5c0d\u8c61\u547d\u540d\u793a\u4f8b"},"content":{"rendered":"<h1 id=\"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-schema-%e5%b0%8d%e8%b1%a1%e5%91%bd%e5%90%8d%e7%a4%ba%e4%be%8b-hYxyatqCjc\">OceanBase \u6559\u7a0b\uff1aOceanBase Schema \u5c0d\u8c61\u547d\u540d\u793a\u4f8b<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0cOceanBase 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<code>user_info<\/code>\u3002<\/li>\n<li><strong>\u4e00\u81f4\u6027\uff1a<\/strong>\u5728\u6574\u500b\u6578\u64da\u5eab\u4e2d\u4fdd\u6301\u4e00\u81f4\u7684\u547d\u540d\u98a8\u683c\uff0c\u4f8b\u5982\u4f7f\u7528\u4e0b\u5283\u7dda\u5206\u9694\u55ae\u8a5e\uff08snake_case\uff09\u6216\u99dd\u5cf0\u5f0f\u547d\u540d\uff08camelCase\uff09\u3002<\/li>\n<li><strong>\u7c21\u6f54\u6027\uff1a<\/strong>\u907f\u514d\u4f7f\u7528\u904e\u9577\u7684\u540d\u7a31\uff0c\u61c9\u8a72\u5728\u7c21\u6f54\u548c\u63cf\u8ff0\u6027\u4e4b\u9593\u53d6\u5f97\u5e73\u8861\u3002<\/li>\n<li><strong>\u907f\u514d\u4fdd\u7559\u5b57\uff1a<\/strong>\u5728\u547d\u540d\u6642\u61c9\u907f\u514d\u4f7f\u7528 SQL \u7684\u4fdd\u7559\u5b57\uff0c\u4ee5\u514d\u5f15\u8d77\u8a9e\u6cd5\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"oceanbase-schema-%e5%b0%8d%e8%b1%a1%e5%91%bd%e5%90%8d%e7%a4%ba%e4%be%8b-hYxyatqCjc\">OceanBase Schema \u5c0d\u8c61\u547d\u540d\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b OceanBase Schema \u5c0d\u8c61\u7684\u547d\u540d\u793a\u4f8b\uff0c\u9019\u4e9b\u793a\u4f8b\u9075\u5faa\u4e86\u4e0a\u8ff0\u547d\u540d\u898f\u7bc4\uff1a<\/p>\n<h3 id=\"1-%e8%a1%a8%e5%91%bd%e5%90%8d%e7%a4%ba%e4%be%8b-hYxyatqCjc\">1. \u8868\u547d\u540d\u793a\u4f8b<\/h3>\n<pre><code>CREATE TABLE user_info (\n    user_id INT PRIMARY KEY,\n    user_name VARCHAR(50) NOT NULL,\n    email VARCHAR(100) UNIQUE,\n    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP\n);\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u8868\u540d <code>user_info<\/code> \u6e05\u695a\u5730\u8868\u9054\u4e86\u5176\u7528\u9014\uff0c\u4e26\u4e14\u5b57\u6bb5\u540d\u7a31\u4e5f\u9075\u5faa\u4e86\u7c21\u6f54\u548c\u4e00\u81f4\u7684\u547d\u540d\u898f\u7bc4\u3002<\/p>\n<h3 id=\"2-%e7%b4%a2%e5%bc%95%e5%91%bd%e5%90%8d%e7%a4%ba%e4%be%8b-hYxyatqCjc\">2. \u7d22\u5f15\u547d\u540d\u793a\u4f8b<\/h3>\n<pre><code>CREATE INDEX idx_user_email ON user_info(email);\n<\/code><\/pre>\n<p>\u7d22\u5f15\u540d\u7a31 <code>idx_user_email<\/code> \u4ee5 <code>idx_<\/code> \u958b\u982d\uff0c\u6e05\u695a\u5730\u8868\u660e\u9019\u662f\u4e00\u500b\u7d22\u5f15\uff0c\u4e26\u4e14\u5305\u542b\u4e86\u8868\u540d\u548c\u5b57\u6bb5\u540d\uff0c\u4fbf\u65bc\u8b58\u5225\u3002<\/p>\n<h3 id=\"3-%e8%a6%96%e5%9c%96%e5%91%bd%e5%90%8d%e7%a4%ba%e4%be%8b-hYxyatqCjc\">3. \u8996\u5716\u547d\u540d\u793a\u4f8b<\/h3>\n<pre><code>CREATE VIEW active_users AS\nSELECT * FROM user_info WHERE status = 'active';\n<\/code><\/pre>\n<p>\u8996\u5716\u540d\u7a31 <code>active_users<\/code> \u76f4\u89c0\u5730\u8868\u9054\u4e86\u5176\u5167\u5bb9\uff0c\u4e26\u4e14\u7b26\u5408\u547d\u540d\u898f\u7bc4\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-hYxyatqCjc\">\u7d50\u8ad6<\/h2>\n<p>\u5728 OceanBase \u7684\u958b\u767c\u904e\u7a0b\u4e2d\uff0c\u5408\u7406\u7684 Schema 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