1. mysql(http://www.mysql.com)mysql-connector-java-2.0.14-bin.jar

class.forname( "org.gjt.mm.mysql.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)

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 );