{"id":60547,"date":"2024-10-13T03:46:22","date_gmt":"2024-10-12T19:46:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60547\/"},"modified":"2024-10-13T03:46:22","modified_gmt":"2024-10-12T19:46:22","slug":"db2%e5%ae%a2%e6%88%b6%e7%ab%af%e7%9a%84%e4%b8%89%e7%a8%ae%e9%a1%9e%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60547\/","title":{"rendered":"DB2\u5ba2\u6236\u7aef\u7684\u4e09\u7a2e\u985e\u578b"},"content":{"rendered":"<h1 id=\"db2%e5%ae%a2%e6%88%b6%e7%ab%af%e7%9a%84%e4%b8%89%e7%a8%ae%e9%a1%9e%e5%9e%8b-GdDKKdboWw\">DB2\u5ba2\u6236\u7aef\u7684\u4e09\u7a2e\u985e\u578b<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0cIBM\u7684DB2\u6578\u64da\u5eab\u7cfb\u7d71\u4ecd\u7136\u662f\u8a31\u591a\u4f01\u696d\u7684\u9996\u9078\u3002DB2\u63d0\u4f9b\u4e86\u591a\u7a2e\u5ba2\u6236\u7aef\u9078\u64c7\uff0c\u4ee5\u4fbf\u7528\u6236\u80fd\u5920\u6839\u64da\u5176\u9700\u6c42\u548c\u74b0\u5883\u9078\u64c7\u6700\u5408\u9069\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u672c\u6587\u5c07\u63a2\u8a0eDB2\u5ba2\u6236\u7aef\u7684\u4e09\u7a2e\u985e\u578b\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7406\u89e3\u5176\u529f\u80fd\u548c\u9069\u7528\u5834\u666f\u3002<\/p>\n<h2 id=\"1-db2-cli%ef%bc%88call-level-interface%ef%bc%89-GdDKKdboWw\">1. DB2 CLI\uff08Call Level Interface\uff09<\/h2>\n<p>DB2 CLI\u662f\u4e00\u7a2e\u4f4e\u5c64\u6b21\u7684API\uff0c\u5141\u8a31\u61c9\u7528\u7a0b\u5e8f\u901a\u904eC\u8a9e\u8a00\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u3002\u9019\u7a2e\u63a5\u53e3\u63d0\u4f9b\u4e86\u5c0dDB2\u6578\u64da\u5eab\u7684\u76f4\u63a5\u8a2a\u554f\uff0c\u4e26\u4e14\u652f\u6301\u591a\u7a2e\u64cd\u4f5c\u7cfb\u7d71\u548c\u7de8\u7a0b\u8a9e\u8a00\u3002<\/p>\n<ul>\n<li><strong>\u7279\u9ede\uff1a<\/strong>DB2 CLI\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u6027\u80fd\uff0c\u56e0\u70ba\u5b83\u76f4\u63a5\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\uff0c\u6e1b\u5c11\u4e86\u4e2d\u9593\u5c64\u7684\u958b\u92b7\u3002<\/li>\n<li><strong>\u4f7f\u7528\u5834\u666f\uff1a<\/strong>\u9069\u5408\u9700\u8981\u9ad8\u6027\u80fd\u548c\u4f4e\u5ef6\u9072\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u4f8b\u5982\u91d1\u878d\u4ea4\u6613\u7cfb\u7d71\u3002<\/li>\n<li><strong>\u793a\u4f8b\u4ee3\u78bc\uff1a<\/strong><\/li>\n<\/ul>\n<pre><code>\n#include &lt;sqlcli.h&gt;\n\nSQLRETURN rc;\nSQLHENV henv;\nSQLHDBC hdbc;\nSQLHSTMT hstmt;\n\nSQLAllocHandle(SQL_HANDLE_ENV, SQL_NULL_HANDLE, &amp;henv);\nSQLAllocHandle(SQL_HANDLE_DBC, henv, &amp;hdbc);\nSQLDriverConnect(hdbc, NULL, \"DSN=mydb;UID=user;PWD=password;\", SQL_NTS, NULL, 0, NULL, SQL_DRIVER_COMPLETE);\nSQLAllocHandle(SQL_HANDLE_STMT, hdbc, &amp;hstmt);\nSQLExecDirect(hstmt, \"SELECT * FROM mytable\", SQL_NTS);\n<\/code><\/pre>\n<h2 id=\"2-db2-odbc%ef%bc%88open-database-connectivity%ef%bc%89-GdDKKdboWw\">2. DB2 ODBC\uff08Open Database Connectivity\uff09<\/h2>\n<p>DB2 ODBC\u662f\u4e00\u7a2e\u6a19\u6e96\u7684\u6578\u64da\u5eab\u8a2a\u554f\u63a5\u53e3\uff0c\u5141\u8a31\u7528\u6236\u901a\u904eODBC\u9a45\u52d5\u7a0b\u5e8f\u9023\u63a5\u5230DB2\u6578\u64da\u5eab\u3002\u9019\u7a2e\u63a5\u53e3\u7684\u512a\u52e2\u5728\u65bc\u5176\u8de8\u5e73\u53f0\u7684\u517c\u5bb9\u6027\uff0c\u652f\u6301\u591a\u7a2e\u7de8\u7a0b\u8a9e\u8a00\u548c\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n<ul>\n<li><strong>\u7279\u9ede\uff1a<\/strong>DB2 ODBC\u63d0\u4f9b\u4e86\u9748\u6d3b\u6027\uff0c\u56e0\u70ba\u5b83\u53ef\u4ee5\u8207\u591a\u7a2e\u6578\u64da\u5eab\u7cfb\u7d71\u9032\u884c\u4ea4\u4e92\u3002<\/li>\n<li><strong>\u4f7f\u7528\u5834\u666f\uff1a<\/strong>\u9069\u5408\u9700\u8981\u8207\u5176\u4ed6\u6578\u64da\u5eab\u7cfb\u7d71\u96c6\u6210\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u4f8b\u5982\u5831\u544a\u5de5\u5177\u548c\u6578\u64da\u5206\u6790\u5e73\u53f0\u3002<\/li>\n<li><strong>\u793a\u4f8b\u4ee3\u78bc\uff1a<\/strong><\/li>\n<\/ul>\n<pre><code>\n#include &lt;windows.h&gt;\n#include &lt;sql.h&gt;\n#include &lt;sqlext.h&gt;\n\nSQLHENV henv;\nSQLHDBC hdbc;\nSQLHSTMT hstmt;\n\nSQLAllocHandle(SQL_HANDLE_ENV, SQL_NULL_HANDLE, &amp;henv);\nSQLSetEnvAttr(henv, SQL_ATTR_ODBC_VERSION, (SQLPOINTER)SQL_OV_ODBC3, 0);\nSQLAllocHandle(SQL_HANDLE_DBC, henv, &amp;hdbc);\nSQLDriverConnect(hdbc, NULL, \"DSN=mydb;UID=user;PWD=password;\", SQL_NTS, NULL, 0, NULL, SQL_DRIVER_COMPLETE);\nSQLAllocHandle(SQL_HANDLE_STMT, hdbc, &amp;hstmt);\nSQLExecDirect(hstmt, \"SELECT * FROM mytable\", SQL_NTS);\n<\/code><\/pre>\n<h2 id=\"3-db2-net-data-provider-GdDKKdboWw\">3. DB2 .NET Data Provider<\/h2>\n<p>DB2 .NET Data Provider\u662f\u5c08\u70ba.NET\u74b0\u5883\u8a2d\u8a08\u7684\u6578\u64da\u5eab\u8a2a\u554f\u63a5\u53e3\u3002\u5b83\u63d0\u4f9b\u4e86\u5c0dDB2\u6578\u64da\u5eab\u7684\u9ad8\u6548\u8a2a\u554f\uff0c\u4e26\u4e14\u8207.NET\u6846\u67b6\u7dca\u5bc6\u96c6\u6210\u3002<\/p>\n<ul>\n<li><strong>\u7279\u9ede\uff1a<\/strong>\u652f\u6301LINQ\u67e5\u8a62\u548cEntity Framework\uff0c\u65b9\u4fbf\u958b\u767c\u4eba\u54e1\u4f7f\u7528\u73fe\u4ee3\u958b\u767c\u6280\u8853\u3002<\/li>\n<li><strong>\u4f7f\u7528\u5834\u666f\uff1a<\/strong>\u9069\u5408\u4f7f\u7528C#\u6216VB.NET\u958b\u767c\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u4f8b\u5982Web\u61c9\u7528\u548c\u684c\u9762\u61c9\u7528\u3002<\/li>\n<li><strong>\u793a\u4f8b\u4ee3\u78bc\uff1a<\/strong><\/li>\n<\/ul>\n<pre><code>\nusing IBM.Data.DB2;\n\nstring connectionString = \"Server=myserver;Database=mydb;User Id=user;Password=password;\";\nusing (DB2Connection conn = new DB2Connection(connectionString))\n{\n    conn.Open();\n    DB2Command cmd = new DB2Command(\"SELECT * FROM mytable\", conn);\n    using (DB2DataReader reader = cmd.ExecuteReader())\n    {\n        while (reader.Read())\n        {\n            Console.WriteLine(reader[\"column_name\"]);\n        }\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-GdDKKdboWw\">\u7e3d\u7d50<\/h2>\n<p>DB2\u5ba2\u6236\u7aef\u7684\u4e09\u7a2e\u985e\u578b\u5404\u6709\u5176\u7279\u9ede\u548c\u9069\u7528\u5834\u666f\u3002DB2 CLI\u9069\u5408\u9700\u8981\u9ad8\u6027\u80fd\u7684\u61c9\u7528\uff0cDB2 ODBC\u5247\u63d0\u4f9b\u4e86\u826f\u597d\u7684\u517c\u5bb9\u6027\uff0c\u800cDB2 .NET Data Provider\u5247\u70ba.NET\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u4fbf\u5229\u3002\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u5ba2\u6236\u7aef\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u5347\u958b\u767c\u6548\u7387\u548c\u7cfb\u7d71\u6027\u80fd\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u65bc<em><a href=\"https:\/\/server.hk\">VPS<\/a><\/em>\u548c<em><a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a><\/em>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3DB2\u5ba2\u6236\u7aef\u7684\u4e09\u7a2e\u985e\u578b\uff1a\u57fa\u672c\u5ba2\u6236\u7aef\u3001\u61c9\u7528\u7a0b\u5f0f\u5ba2\u6236\u7aef\u548c\u7db2\u8def\u5ba2\u6236\u7aef\uff0c\u9078\u64c7\u6700\u9069\u5408\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-60547","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60547","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=60547"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60547\/revisions"}],"predecessor-version":[{"id":60548,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60547\/revisions\/60548"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=60547"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=60547"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=60547"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}