{"id":154499,"date":"2024-11-02T16:19:23","date_gmt":"2024-11-02T08:19:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/154499\/"},"modified":"2024-11-02T16:19:24","modified_gmt":"2024-11-02T08:19:24","slug":"%e5%b0%8d-db2-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%8f%90%e4%be%9b%e7%9a%84-2-%e7%a8%ae-db-%e9%80%a3%e6%8e%a5%e6%96%b9%e5%bc%8f%e6%8f%8f%e8%bf%b0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/154499\/","title":{"rendered":"\u5c0d DB2 \u6578\u64da\u5eab\u63d0\u4f9b\u7684 2 \u7a2e DB \u9023\u63a5\u65b9\u5f0f\u63cf\u8ff0"},"content":{"rendered":"<h1 id=\"%e5%b0%8d-db2-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%8f%90%e4%be%9b%e7%9a%84-2-%e7%a8%ae-db-%e9%80%a3%e6%8e%a5%e6%96%b9%e5%bc%8f%e6%8f%8f%e8%bf%b0-oDiZLpvfDK\">\u5c0d DB2 \u6578\u64da\u5eab\u63d0\u4f9b\u7684 2 \u7a2e DB \u9023\u63a5\u65b9\u5f0f\u63cf\u8ff0<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u6578\u64da\u5eab\u7684\u9078\u64c7\u548c\u9023\u63a5\u65b9\u5f0f\u5c0d\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u81f3\u95dc\u91cd\u8981\u3002IBM \u7684 DB2 \u6578\u64da\u5eab\u662f\u4e00\u500b\u5f37\u5927\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u4f01\u696d\u7d1a\u61c9\u7528\u4e2d\u3002\u672c\u6587\u5c07\u63a2\u8a0e DB2 \u6578\u64da\u5eab\u63d0\u4f9b\u7684\u5169\u7a2e\u4e3b\u8981\u9023\u63a5\u65b9\u5f0f\uff1aJDBC \u9023\u63a5\u548c ODBC \u9023\u63a5\u3002<\/p>\n<h2 id=\"1-jdbc-%e9%80%a3%e6%8e%a5-oDiZLpvfDK\">1. JDBC \u9023\u63a5<\/h2>\n<p>Java Database Connectivity\uff08JDBC\uff09\u662f\u4e00\u7a2e\u7528\u65bc Java \u61c9\u7528\u7a0b\u5e8f\u8207\u6578\u64da\u5eab\u4e4b\u9593\u9032\u884c\u4ea4\u4e92\u7684 API\u3002DB2 \u63d0\u4f9b\u4e86\u5c0d JDBC \u7684\u652f\u6301\uff0c\u4f7f\u5f97 Java \u958b\u767c\u8005\u80fd\u5920\u8f15\u9b06\u5730\u9023\u63a5\u548c\u64cd\u4f5c DB2 \u6578\u64da\u5eab\u3002<\/p>\n<h3 id=\"1-1-jdbc-%e9%80%a3%e6%8e%a5%e7%9a%84%e5%84%aa%e5%8b%a2-oDiZLpvfDK\">1.1 JDBC \u9023\u63a5\u7684\u512a\u52e2<\/h3>\n<ul>\n<li><strong>\u8de8\u5e73\u53f0\u652f\u6301\uff1a<\/strong>JDBC \u662f Java \u7684\u4e00\u90e8\u5206\uff0c\u9019\u610f\u5473\u8457\u5b83\u53ef\u4ee5\u5728\u4efb\u4f55\u652f\u6301 Java \u7684\u5e73\u53f0\u4e0a\u904b\u884c\uff0c\u63d0\u4f9b\u4e86\u826f\u597d\u7684\u8de8\u5e73\u53f0\u517c\u5bb9\u6027\u3002<\/li>\n<li><strong>\u7c21\u55ae\u6613\u7528\uff1a<\/strong>JDBC \u63d0\u4f9b\u4e86\u4e00\u7d44\u7c21\u55ae\u7684 API\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u57f7\u884c SQL \u67e5\u8a62\u3001\u66f4\u65b0\u6578\u64da\u548c\u8655\u7406\u7d50\u679c\u96c6\u3002<\/li>\n<li><strong>\u6027\u80fd\u512a\u5316\uff1a<\/strong>DB2 \u7684 JDBC \u9a45\u52d5\u7a0b\u5e8f\u7d93\u904e\u512a\u5316\uff0c\u80fd\u5920\u63d0\u4f9b\u9ad8\u6548\u7684\u6578\u64da\u8a2a\u554f\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h3 id=\"1-2-jdbc-%e9%80%a3%e6%8e%a5%e7%9a%84%e7%a4%ba%e4%be%8b-oDiZLpvfDK\">1.2 JDBC \u9023\u63a5\u7684\u793a\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 JDBC \u9023\u63a5 DB2 \u6578\u64da\u5eab\u7684\u7c21\u55ae\u793a\u4f8b\uff1a<\/p>\n<pre><code>import java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.ResultSet;\nimport java.sql.Statement;\n\npublic class DB2JDBCExample {\n    public static void main(String[] args) {\n        String url = \"jdbc:db2:\/\/localhost:50000\/YOURDB\";\n        String user = \"YOURUSER\";\n        String password = \"YOURPASSWORD\";\n\n        try {\n            Connection conn = DriverManager.getConnection(url, user, password);\n            Statement stmt = conn.createStatement();\n            ResultSet rs = stmt.executeQuery(\"SELECT * FROM YOURTABLE\");\n\n            while (rs.next()) {\n                System.out.println(\"Column Value: \" + rs.getString(1));\n            }\n\n            rs.close();\n            stmt.close();\n            conn.close();\n        } catch (Exception e) {\n            e.printStackTrace();\n        }\n    }\n}\n<\/code><\/pre>\n<h2 id=\"2-odbc-%e9%80%a3%e6%8e%a5-oDiZLpvfDK\">2. ODBC \u9023\u63a5<\/h2>\n<p>Open Database Connectivity\uff08ODBC\uff09\u662f\u4e00\u7a2e\u6a19\u6e96\u7684\u6578\u64da\u5eab\u8a2a\u554f\u65b9\u6cd5\uff0c\u5141\u8a31\u61c9\u7528\u7a0b\u5e8f\u901a\u904e ODBC \u9a45\u52d5\u7a0b\u5e8f\u8207\u4e0d\u540c\u7684\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002DB2 \u4e5f\u652f\u6301 ODBC \u9023\u63a5\uff0c\u9019\u4f7f\u5f97\u4f7f\u7528\u5176\u4ed6\u8a9e\u8a00\u6216\u5e73\u53f0\u7684\u958b\u767c\u8005\u80fd\u5920\u8f15\u9b06\u8a2a\u554f DB2 \u6578\u64da\u5eab\u3002<\/p>\n<h3 id=\"2-1-odbc-%e9%80%a3%e6%8e%a5%e7%9a%84%e5%84%aa%e5%8b%a2-oDiZLpvfDK\">2.1 ODBC \u9023\u63a5\u7684\u512a\u52e2<\/h3>\n<ul>\n<li><strong>\u5ee3\u6cdb\u7684\u517c\u5bb9\u6027\uff1a<\/strong>ODBC \u662f\u4e00\u7a2e\u6a19\u6e96\u63a5\u53e3\uff0c\u652f\u6301\u591a\u7a2e\u7de8\u7a0b\u8a9e\u8a00\u548c\u5e73\u53f0\uff0c\u9069\u5408\u9700\u8981\u8207\u591a\u7a2e\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u7684\u61c9\u7528\u7a0b\u5e8f\u3002<\/li>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528 ODBC \u4f86\u9023\u63a5\u4e0d\u540c\u7684\u6578\u64da\u5eab\uff0c\u9019\u4f7f\u5f97\u61c9\u7528\u7a0b\u5e8f\u7684\u64f4\u5c55\u6027\u66f4\u5f37\u3002<\/li>\n<li><strong>\u7c21\u5316\u7684\u6578\u64da\u8a2a\u554f\uff1a<\/strong>ODBC \u63d0\u4f9b\u4e86\u4e00\u500b\u7d71\u4e00\u7684\u63a5\u53e3\uff0c\u7c21\u5316\u4e86\u6578\u64da\u8a2a\u554f\u7684\u904e\u7a0b\u3002<\/li>\n<\/ul>\n<h3 id=\"2-2-odbc-%e9%80%a3%e6%8e%a5%e7%9a%84%e7%a4%ba%e4%be%8b-oDiZLpvfDK\">2.2 ODBC \u9023\u63a5\u7684\u793a\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 ODBC \u9023\u63a5 DB2 \u6578\u64da\u5eab\u7684\u7c21\u55ae\u793a\u4f8b\uff1a<\/p>\n<pre><code>#include &lt;stdio.h&gt;\n#include &lt;sql.h&gt;\n#include &lt;sqlext.h&gt;\n\nint main() {\n    SQLHENV henv;\n    SQLHDBC hdbc;\n    SQLRETURN ret;\n\n    SQLAllocHandle(SQL_HANDLE_ENV, SQL_NULL_HANDLE, &amp;henv);\n    SQLSetEnvAttr(henv, SQL_ATTR_ODBC_VERSION, (SQLPOINTER)SQL_OV_ODBC3, 0);\n    SQLAllocHandle(SQL_HANDLE_DBC, henv, &amp;hdbc);\n\n    ret = SQLDriverConnect(hdbc, NULL, \"DSN=YOURDSN;UID=YOURUSER;PWD=YOURPASSWORD;\", SQL_NTS, NULL, 0, NULL, SQL_DRIVER_COMPLETE);\n\n    if (ret == SQL_SUCCESS || ret == SQL_SUCCESS_WITH_INFO) {\n        printf(\"Connected to DB2 successfully.n\");\n    } else {\n        printf(\"Connection failed.n\");\n    }\n\n    SQLDisconnect(hdbc);\n    SQLFreeHandle(SQL_HANDLE_DBC, hdbc);\n    SQLFreeHandle(SQL_HANDLE_ENV, henv);\n    return 0;\n}\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-oDiZLpvfDK\">\u7e3d\u7d50<\/h2>\n<p>DB2 \u6578\u64da\u5eab\u63d0\u4f9b\u4e86\u591a\u7a2e\u9023\u63a5\u65b9\u5f0f\uff0c\u5176\u4e2d JDBC \u548c ODBC \u662f\u6700\u5e38\u7528\u7684\u5169\u7a2e\u3002JDBC \u9023\u63a5\u9069\u5408 Java \u958b\u767c\u8005\uff0c\u63d0\u4f9b\u4e86\u826f\u597d\u7684\u6027\u80fd\u548c\u6613\u7528\u6027\uff1b\u800c ODBC \u9023\u63a5\u5247\u70ba\u9700\u8981\u8de8\u5e73\u53f0\u652f\u6301\u7684\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u9748\u6d3b\u6027\u548c\u517c\u5bb9\u6027\u3002\u7121\u8ad6\u9078\u64c7\u54ea\u7a2e\u9023\u63a5\u65b9\u5f0f\uff0c\u958b\u767c\u8005\u90fd\u80fd\u5920\u9ad8\u6548\u5730\u8a2a\u554f\u548c\u64cd\u4f5c DB2 \u6578\u64da\u5eab\uff0c\u5f9e\u800c\u6eff\u8db3\u696d\u52d9\u9700\u6c42\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684 DB2 \u6578\u64da\u5eab\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u548c\u64f4\u5c55\u60a8\u7684\u6578\u64da\u5eab\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 DB2 \u6578\u64da\u5eab\u7684\u5169\u7a2e\u9023\u63a5\u65b9\u5f0f\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u5730\u9023\u63a5\u548c\u7ba1\u7406\u6578\u64da\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\u3002<\/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-154499","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154499","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=154499"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154499\/revisions"}],"predecessor-version":[{"id":154500,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154499\/revisions\/154500"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=154499"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=154499"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=154499"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}