JDBC Stored Procedure Returns OUT Parameters In Java

Chapter: JDBC Last Updated: 23-06-2016 19:32:58 UTC

Program:

            /* ............... START ............... */
                
import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Types;

public class JavaJDBCReturnOutParameter {

	public static void main(String a[]) {

		Connection connection = null;
		CallableStatement callSt = null;
		try {
			Class.forName("oracle.jdbc.driver.OracleDriver");
			connection = DriverManager.getConnection("jdbc:oracle:thin:@<hostname>:"
					+ "<port num>:<DB name>", "user",
					"password");
			callSt = connection.prepareCall("{call myprocedure(?,?)}");
			callSt.setInt(1, 200);
			// below method used to register data type of the out parameter
			callSt.registerOutParameter(2, Types.DOUBLE);
			callSt.execute();
			Double output = callSt.getDouble(2);
			System.out.println("The output returned from stored procedure: " + output);
		} catch (ClassNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} finally {
			try {
				if (callSt != null)
					callSt.close();
				if (connection != null)
					connection.close();
			} catch (Exception ex) {
			}
		}
	}
}
                /* ............... END ............... */
        

Notes:

  • A CallableStatement object provides a way to call stored procedures using JDBC.
  • Connection.prepareCall() method provides you CallableStatement object.

Tags

JDBC Stored Procedure Returns OUT Parameters, Java

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