1. MySQL(http://www.mysql.com)mm.mysql-3.0.2-bin.jar
  Class.forName( \"com.mysql.jdbc.Driver\" );
  cn 
= DriverManager.getConnection( \"jdbc:mysql://MyDbComputerNameOrIP:3306/myDatabaseName\", sUsr, sPwd );
  
  
2. PostgreSQL(http://www.de.postgresql.org)pgjdbc2.jar
  Class.forName( \"org.postgresql.Driver\" );
  cn 
= DriverManager.getConnection( \"jdbc:postgresql://MyDbComputerNameOrIP/myDatabaseName\", sUsr, sPwd );
  
  
3. Oracle(http://www.oracle.com/ip/deploy/database/oracle9i/)classes12.zip
  Class.forName( \"oracle.jdbc.driver.OracleDriver\" );
  cn 
= DriverManager.getConnection( \"jdbc:oracle:thin:@MyDbComputerNameOrIP:1521:ORCL\", sUsr, sPwd );
  
  
4. Sybase(http://jtds.sourceforge.net)jconn2.jar
  Class.forName( \"com.sybase.jdbc2.jdbc.SybDriver\" );
  cn 
= DriverManager.getConnection( \"jdbc:sybase:Tds:MyDbComputerNameOrIP:2638\", sUsr, sPwd );
  
//(Default-Username/Password: \"dba\"/\"sql\")
  
  
5. Microsoft SQLServer(http://jtds.sourceforge.net) 网管网www_bitscn_com 
  Class.forName( \"net.sourceforge.jtds.jdbc.Driver\" );
  cn 
= DriverManager.getConnection( \"jdbc:jtds:sqlserver://MyDbComputerNameOrIP:1433/master\", sUsr, sPwd );
  
  
6. Microsoft SQLServer(http://www.microsoft.com)
  Class.forName( \"com.microsoft.jdbc.sqlserver.SQLServerDriver\" );
  cn 
= DriverManager.getConnection( \"jdbc:microsoft:sqlserver://MyDbComputerNameOrIP:1433;databaseName=master\", sUsr, sPwd );
  
  
7. ODBC
  Class.forName( \
"sun.jdbc.odbc.JdbcOdbcDriver\" );
  Connection cn 
= DriverManager.getConnection( \"jdbc:odbc:\" + sDsn, sUsr, sPwd );
  
  
8.DB2
  Class.forName(\
"Com.ibm.db2.jdbc.net.DB2Driver\");
  String url
=\"jdbc:db2://192.9.200.108:6789/SAMPLE\"
  cn 
= DriverManager.getConnection( url, sUsr, sPwd );
【转自www.bitsCN.com】