import java.sql.Connection
import java.sql.DriverManager
import javax.sql.DataSource
import groovy.sql.Sql
import oracle.jdbc.driver.OracleTypes

driver = oracle.jdbc.driver.OracleDriver
Connection conn = DriverManager.getConnection(
    'jdbc:oracle:thin:ratan/rabin123@localhost:1522:orcl');

Sql sql = Sql.newInstance("jdbc:oracle:thin:@localhost:1522:orcl",
    "ratan", "rabin123", "oracle.jdbc.OracleDriver")