{"id":160705,"date":"2024-11-04T00:19:27","date_gmt":"2024-11-03T16:19:27","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160705\/"},"modified":"2024-11-04T00:19:28","modified_gmt":"2024-11-03T16:19:28","slug":"sqlite-%e6%95%99%e7%a8%8b%ef%bc%9asqlite-%e5%88%86%e9%9b%a2%e8%b3%87%e6%96%99%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160705\/","title":{"rendered":"SQLITE \u6559\u7a0b\uff1aSQLite \u5206\u96e2\u8cc7\u6599\u5eab"},"content":{"rendered":"<h1 id=\"sqlite-%e6%95%99%e7%a8%8b%ef%bc%9asqlite-%e5%88%86%e9%9b%a2%e8%b3%87%e6%96%99%e5%ba%ab-yHGQvbUpvt\">SQLITE \u6559\u7a0b\uff1aSQLite \u5206\u96e2\u8cc7\u6599\u5eab<\/h1>\n<p>SQLite 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id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e8%a6%81%e4%bd%bf%e7%94%a8%e5%88%86%e9%9b%a2%e8%b3%87%e6%96%99%e5%ba%ab%ef%bc%9f-yHGQvbUpvt\">\u70ba\u4ec0\u9ebc\u8981\u4f7f\u7528\u5206\u96e2\u8cc7\u6599\u5eab\uff1f<\/h2>\n<ul>\n<li><strong>\u6027\u80fd\u63d0\u5347\uff1a<\/strong>\u5206\u96e2\u8cc7\u6599\u5eab\u53ef\u4ee5\u6e1b\u5c11\u61c9\u7528\u7a0b\u5f0f\u5728\u67e5\u8a62\u6642\u9700\u8981\u52a0\u8f09\u7684\u8cc7\u6599\u91cf\uff0c\u5f9e\u800c\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\u3002<\/li>\n<li><strong>\u6613\u65bc\u7dad\u8b77\uff1a<\/strong>\u5c07\u8cc7\u6599\u5206\u958b\u5b58\u5132\u4f7f\u5f97\u8cc7\u6599\u7684\u66f4\u65b0\u548c\u7ba1\u7406\u8b8a\u5f97\u66f4\u52a0\u7c21\u55ae\u3002<\/li>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u9700\u8981\u9078\u64c7\u6027\u5730\u52a0\u8f09\u8cc7\u6599\uff0c\u9019\u5c0d\u65bc\u8cc7\u6e90\u6709\u9650\u7684\u74b0\u5883\u5c24\u70ba\u91cd\u8981\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%af%a6%e7%8f%be-sqlite-%e5%88%86%e9%9b%a2%e8%b3%87%e6%96%99%e5%ba%ab-yHGQvbUpvt\">\u5982\u4f55\u5be6\u73fe SQLite \u5206\u96e2\u8cc7\u6599\u5eab<\/h2>\n<p>\u5be6\u73fe SQLite \u5206\u96e2\u8cc7\u6599\u5eab\u7684\u904e\u7a0b\u76f8\u5c0d\u7c21\u55ae\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-1%ef%bc%9a%e5%89%b5%e5%bb%ba%e4%b8%bb%e8%b3%87%e6%96%99%e5%ba%ab-yHGQvbUpvt\">\u6b65\u9a5f 1\uff1a\u5275\u5efa\u4e3b\u8cc7\u6599\u5eab<\/h3>\n<pre><code>CREATE TABLE users (\n    id INTEGER PRIMARY KEY,\n    name TEXT NOT NULL,\n    email TEXT NOT NULL\n);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba `users` \u7684\u4e3b\u8cc7\u6599\u5eab\uff0c\u5305\u542b\u7528\u6236\u7684\u57fa\u672c\u4fe1\u606f\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-2%ef%bc%9a%e5%89%b5%e5%bb%ba%e5%88%86%e9%9b%a2%e8%b3%87%e6%96%99%e5%ba%ab-yHGQvbUpvt\">\u6b65\u9a5f 2\uff1a\u5275\u5efa\u5206\u96e2\u8cc7\u6599\u5eab<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u53ef\u4ee5\u5275\u5efa\u4e00\u500b\u5206\u96e2\u7684\u8cc7\u6599\u5eab\u4f86\u5b58\u5132\u7528\u6236\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u4f8b\u5982\u8a02\u55ae\u6216\u4ea4\u6613\u8a18\u9304\u3002<\/p>\n<pre><code>ATTACH DATABASE 'orders.db' AS orders;\n\nCREATE TABLE orders.orders (\n    order_id INTEGER PRIMARY KEY,\n    user_id INTEGER,\n    product TEXT NOT NULL,\n    FOREIGN KEY (user_id) REFERENCES users(id)\n);<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c\u6211\u5011\u4f7f\u7528 `ATTACH DATABASE` \u547d\u4ee4\u5c07 `orders.db` \u8cc7\u6599\u5eab\u9644\u52a0\u5230\u4e3b\u8cc7\u6599\u5eab\u4e2d\uff0c\u4e26\u5275\u5efa\u4e00\u500b `orders` \u8868\u4f86\u5b58\u5132\u8a02\u55ae\u4fe1\u606f\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-3%ef%bc%9a%e6%9f%a5%e8%a9%a2%e5%88%86%e9%9b%a2%e8%b3%87%e6%96%99%e5%ba%ab-yHGQvbUpvt\">\u6b65\u9a5f 3\uff1a\u67e5\u8a62\u5206\u96e2\u8cc7\u6599\u5eab<\/h3>\n<p>\u8981\u5f9e\u5206\u96e2\u7684\u8cc7\u6599\u5eab\u4e2d\u67e5\u8a62\u8cc7\u6599\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u8a9e\u53e5\uff1a<\/p>\n<pre><code>SELECT users.name, orders.product\nFROM users\nJOIN orders.orders ON users.id = orders.user_id;<\/code><\/pre>\n<p>\u9019\u689d\u67e5\u8a62\u5c07\u8fd4\u56de\u7528\u6236\u540d\u7a31\u53ca\u5176\u8a02\u8cfc\u7684\u7522\u54c1\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u5728\u4e3b\u8cc7\u6599\u5eab\u548c\u5206\u96e2\u8cc7\u6599\u5eab\u4e4b\u9593\u9032\u884c\u806f\u63a5\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-yHGQvbUpvt\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528 SQLite 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