Oracle
oracle.jdbc.driver.OracleDriver
jdbc:oracle:thin:@[host]:[port=1521]:[instance]

MySQL
com.mysql.jdbc.Driver
jdbc:mysql://[host]:[port=3306]/[instance]

Microsoft SQL-Server
com.microsoft.jdbc.sqlserver.SQLServerDriver
jdbc:microsoft:sqlserver://[host]:[port=1433];DatabaseName=[DatabaseName];SelectMethod=Cursor

IBM AS400
com.ibm.as400.access.AS400JDBCDriver
jdbc:as400://[hostname]

DB2
COM.ibm.db2.jdbc.app.DB2Driver
jdbc:db2:[dbName]

Informix
com.informix.jdbc.IfxDriver
jdbc:informix-sqli://[hostname:port]/[dbName]:INFORMIXSERVER=[server];user=[user];password=[password]

Sybase
com.sybase.jdbc2.jdbc.SybDriver
jdbc:sybase:Tds:[host:port]/[db]

JDBC-ODBC Driver
sun.jdbc.odbc.JdbcOdbcDriver
jdbc:odbc:[DSN]

JSQL Driver
com.jnetdirect.jsql.JSQLDriver
jdbc:JSQLConnect://[serverName]:[port=1433]/[database=][/property=value]