Task 2.b: Active Rules Using Triggers I. The University student data centre that is responsible for...

 

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Task 2.b: Active Rules Using Triggers I. The University student data centre that is responsible for entering student details and enrolment details works from Monday 9.00 am Friday 5.00 pm. The system must be protected (don't allow any changes on appropriate tables) and only allow minimum operations from Friday 5.00 pm to Monday 8:00 am. For example, students' details or enrolment details are only added or amended during office hours. Database activities are monitored all the time, create an active rule to stop such activities and display appropriate messages. 5% II. University can only accommodate a limited number of students for each section. Create an active rule to display an appropriate message on the screen to warn the DBA while the enrolment is nearing its capacity and also when it has reached the capacity limit. Task 2.b: Active Rules Using Triggers I. The University student data centre that is responsible for entering student details and enrolment details works from Monday 9.00 am Friday 5.00 pm. The system must be protected (don't allow any changes on appropriate tables) and only allow minimum operations from Friday 5.00 pm to Monday 8:00 am. For example, students' details or enrolment details are only added or amended during office hours. Database activities are monitored all the time, create an active rule to stop such activities and display appropriate messages. 5% II. University can only accommodate a limited number of students for each section. Create an active rule to display an appropriate message on the screen to warn the DBA while the enrolment is nearing its capacity and also when it has reached the capacity limit.