The Oracle SQL Developer tool can connect to databases other than Oracle, including MySQL, ... If the IBM DB2 drivers are not loaded, browse to and select one of the IBM DB2 drivers.

Oracle SQL Developer allows you to connect and manage databases. It is probably the easiest way to run any query as it gives the result in a tabular format.

Open Oracle Developer. Click "View" and then click "Dbms Output." Click the green "+" sign in the window that opens and select the database connection from which you want output.