In PL SQL, Create a trigger on employees that will not allow employees to update salary for Accountants. Executes the trigger body before the triggering DML event on a table.

As result of your trigger the following message should be displayed “ You are not allowed to update accountants salary”

Hint: Use when clause

Which of the following statements is false? a. package access is rarely used. b. use the access modifier package to give a method or variable package access. c. classes in the same source file are part of the same package. d. if a program uses multiple classes from the same package, these classes can access each other's package access members directly through references to objects of the appropriate classes, or in the case of static members, through the class name.