Q$2.(25$ points$)$ Row level Trigger.

This question requires to create a row level trigger named Emply$\_$Row on table Employees.

First, you will create a table called Emply$\_$log to store the records from this trigger. Whenever there is a command of Update on the table employees, the trigger will be fired, and add one record into the table Emply$\_$log for each record changed.

Below are the codes for creating a new log table called Emply$\_$logThe second step requires you to create a row level trigger named Emply$\_$Row on table Employees. Whenever there is a command of update on the table employees, the trigger will be fired, and it will add one record into the table Emply$\_$log for each record updated.

After having successfully compiled the trigger, your program will run two update commands $($as step three$).$In the fourth step, you should check the contents of Emply$\_$log table. Copy the output of these new records in the log table to your submission.

Remember to rollback after you get the display of the results: Rollback;

DROP TRIGGER Emply$\_$Row;