Create a function named myfuncin which returns a VARCHAR value; the function has an IN parameter named x : Oracle « Database « Java Tutorial

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2. Database
3. Oracle

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;

public class Main {
  public static void main(String[] argv) throws Exception {
    String driverName = "oracle.jdbc.driver.OracleDriver";
    Class.forName(driverName);

    String serverName = "127.0.0.1";
    String portNumber = "1521";
    String sid = "mydatabase";
    String url = "jdbc:oracle:thin:@" + serverName + ":" + portNumber + ":" + sid;
    String username = "username";
    String password = "password";
    Connection connection = DriverManager.getConnection(url, username, password);

    Statement stmt = connection.createStatement();
    String function = "CREATE OR REPLACE FUNCTION myfuncin(x VARCHAR) RETURN VARCHAR IS "
        + "BEGIN RETURN 'a return string'||x; END;";
    stmt.executeUpdate(function);

  }
}