Jdbc Connection URL with different Data base

for MS Access
Type 1
driver-sun.jdbc.odbc.JdbcOdbcDriver
con url-jdbc:odbc:dataSourceName
for Oracle 10 G
type 4
driver-oracle.jdbc.driver.OracleDriver [need ojdbc14.jar file]
conn-url:

DriverManager.getConnection(

"jdbc:oracle:thin:@IPadd:1521:ServiceID","user","password")
for MySql
driver:    {set classpath for mysql-connector-java-5.0.7-bin.jar}

com.mysql.jdbc.Driver

conn-url

con = DriverManager.getConnection(
        "jdbc:mysql://IPadd:port/DBname?"
        + "user=ohm&password=java"); 

for MS SQL Server 2008

driver:

{need sqljdbc.jar in class path } 

com.microsoft.sqlserver.jdbc.SQLServerDriver 

conn-url:

• URL: jdbc:sqlserver://server:port;DatabaseName=dbname