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此文中的代碼主要列出連接數据庫的關鍵代碼，其他訪問數据庫代碼省略
1、Oracle8/8i/9i數据庫（thin模式）
Class.forName("oracle.jdbc.driver.OracleDriver").newInstance();
String url="jdbc:oracle:thin:@localhost:1521:orcl";
//orcl為數据庫的SID
String user="test";
String password="test";
Connection conn= DriverManager.getConnection(url,user,password);
2、DB2數据庫
Class.forName("com.ibm.db2.jdbc.app.DB2Driver ").newInstance();
String url="jdbc:db2://localhost:5000/sample";
//sample為你的數据庫名
String user="admin";
String password="";
Connection conn= DriverManager.getConnection(url,user,password);
3、Sql Server7.0/2000數据庫
Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver").newInstance();
String url="jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=mydb";
//mydb為數据庫
String user="sa";
String password="";
Connection conn= DriverManager.getConnection(url,user,password);
4、Sybase數据庫
Class.forName("com.sybase.jdbc.SybDriver").newInstance();
String url =" jdbc:sybase:Tds:localhost:5007/myDB";
//myDB為你的數据庫名
Properties sysProps = System.getProperties();
SysProps.put("user","userid");
SysProps.put("password","user_password");
Connection conn= DriverManager.getConnection(url, SysProps);
5、Informix數据庫
Class.forName("com.informix.jdbc.IfxDriver").newInstance();
String url =
"jdbc:informix-sqli://123.45.67.89:1533/myDB:INFORMIXSERVER=myserver;
user=testuser;password=testpassword";
//myDB為數据庫名
Connection conn= DriverManager.getConnection(url);
6、MySQL數据庫
Class.forName("org.gjt.mm.mysql.Driver").newInstance();
String url ="jdbc:mysql://localhost/myDB?
user=soft&password=soft1234&useUnicode=true&characterEncoding=8859_1"
//myDB為數据庫名
Connection conn= DriverManager.getConnection(url);
7、PostgreSQL數据庫
Class.forName("org.postgresql.Driver").newInstance();
String url ="jdbc:postgresql://localhost/myDB"
//myDB為數据庫名
String user="myuser";
String password="mypassword";
Connection conn= DriverManager.getConnection(url,user,password);
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