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managing databases, Database Management System
Code an Oracle Database trigger to enforce the constraint that an employee can
never change his or her department.
Code an Oracle Database trigger to allow the deletion of a department if it
only has one employee. Assign the last employee to the Human Resources
Design a system of triggers to enforce the M-M relationship. Use Figure 10A-53 as an
example, but assume that departments with only one employee can be deleted.
Assign the last employee in a department to Human Resources.
Posted Date: 12/7/2012 12:53:09 PM | Location : United States
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