mysql
driver：com.mysql.jdbc.Driver
URL : jdbc:mysql://[host][,failoverhost...][:port]/[database] ?[?propertyName1][=propertyValue1][&propertyName2][=propertyValue2]...
sqlserver
driver：com.microsoft.sqlserver.jdbcs
URL : jdbc:sqlserver://[host][,failoverhost...][:port];databaseName=[database]