driver:
DRIVER_MYSQL = "com.mysql.jdbc.Driver";
DRIVER_SQLSERVER = "net.sourceforge.jtds.jdbc.Driver";
DRIVER_ORACLE = "oracle.jdbc.driver.OracleDriver";
connectUrl:
mysqlUrl= "jdbc:mysql://localhost:1433/DB_TEST?characterEncoding=UTF-8";
sqlServerUrl = "jdbc:jtds:sqlserver://localhost:1433;DatabaseName=DB_TEST";
oracleUrl = "jdbc:oracle:thin:@localhost:1521:ORCL";