{"id":154493,"date":"2024-11-02T16:16:18","date_gmt":"2024-11-02T08:16:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/154493\/"},"modified":"2024-11-02T16:16:19","modified_gmt":"2024-11-02T08:16:19","slug":"%e5%b0%8d-db2-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b7%a8%e7%9b%ae%e6%a6%82%e5%bf%b5%e7%9a%84%e6%b7%b1%e5%88%bb%e7%90%86%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/154493\/","title":{"rendered":"\u5c0d DB2 \u6578\u64da\u5eab\u7de8\u76ee\u6982\u5ff5\u7684\u6df1\u523b\u7406\u89e3"},"content":{"rendered":"<h1 id=\"%e5%b0%8d-db2-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b7%a8%e7%9b%ae%e6%a6%82%e5%bf%b5%e7%9a%84%e6%b7%b1%e5%88%bb%e7%90%86%e8%a7%a3-DgYNLKXfJe\">\u5c0d DB2 \u6578\u64da\u5eab\u7de8\u76ee\u6982\u5ff5\u7684\u6df1\u523b\u7406\u89e3<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u7d44\u7e54\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002IBM \u7684 DB2 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id=\"%e7%b7%a8%e7%9b%ae%e5%9c%a8-db2-%e4%b8%ad%e7%9a%84%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8-DgYNLKXfJe\">\u7de8\u76ee\u5728 DB2 \u4e2d\u7684\u5be6\u969b\u61c9\u7528<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0cDB2 \u7684\u7de8\u76ee\u529f\u80fd\u53ef\u4ee5\u5e6b\u52a9\u4f01\u696d\u66f4\u597d\u5730\u7ba1\u7406\u5176\u6578\u64da\u3002\u4f8b\u5982\uff0c\u4e00\u5bb6\u91d1\u878d\u6a5f\u69cb\u53ef\u4ee5\u5229\u7528 DB2 \u7684\u7d22\u5f15\u529f\u80fd\u4f86\u52a0\u901f\u5ba2\u6236\u4ea4\u6613\u8a18\u9304\u7684\u67e5\u8a62\uff0c\u5f9e\u800c\u63d0\u9ad8\u5ba2\u6236\u670d\u52d9\u7684\u6548\u7387\u3002\u6b64\u5916\uff0c\u901a\u904e\u4f7f\u7528\u8996\u5716\uff0c\u4f01\u696d\u53ef\u4ee5\u6839\u64da\u4e0d\u540c\u7684\u696d\u52d9\u9700\u6c42\u4f86\u5c55\u793a\u6578\u64da\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u7684\u53ef\u7528\u6027\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e5%89%b5%e5%bb%ba%e4%b8%80%e5%80%8b%e7%b0%a1%e5%96%ae%e7%9a%84%e8%a1%a8%e5%92%8c%e7%b4%a2%e5%bc%95-DgYNLKXfJe\">\u793a\u4f8b\uff1a\u5275\u5efa\u4e00\u500b\u7c21\u55ae\u7684\u8868\u548c\u7d22\u5f15<\/h3>\n<pre><code>CREATE TABLE Customers (\n    CustomerID INT PRIMARY KEY,\n    CustomerName VARCHAR(100),\n    ContactEmail VARCHAR(100)\n);\n\nCREATE INDEX idx_customer_name ON Customers (CustomerName);\n<\/code><\/pre>\n<p>\u4e0a\u8ff0 SQL \u8a9e\u53e5\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba Customers \u7684\u8868\uff0c\u4e26\u5728 CustomerName \u5217\u4e0a\u5275\u5efa\u4e86\u4e00\u500b\u7d22\u5f15\uff0c\u4ee5\u52a0\u901f\u57fa\u65bc\u5ba2\u6236\u540d\u7a31\u7684\u67e5\u8a62\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-DgYNLKXfJe\">\u7d50\u8ad6<\/h2>\n<p>\u5c0d\u65bc\u5e0c\u671b\u5728\u6578\u64da\u7ba1\u7406\u4e0a\u53d6\u5f97\u6210\u529f\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u6df1\u5165\u7406\u89e3 DB2 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