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Question ID 1508

The EMPLOYEE table contains these columns:
LAST_NAME VARCHAR2(25) FIRST_NAME VARCHAR2(25) SALARY NUMBER(7,2)
You need to display the names of employees that earn more than the average salary of all employees.
Evaluate this SQL statement: SELECT last_name, first_name FROMemployee
WHEREsalary > AVG(salary);
Which change should you make to achieve the desired results?

Option A

A.    Move the function to the SELECT clause and add a GROUP BY clause and a HAVING clause.
 

Option B

B.    Change the function in the WHERE clause.
 

Option C

C.    Move the function to the SELECT clause and add a GROUP BY clause.

 

Option D

D.    Use a subquery in the WHERE clause to compare the average salary value.

Correct Answer D
Explanation


Question ID 1509

In which section of a PL/SQL block is a user-defined exception raised?

Option A

A.    exception handling
 

Option B

B.    executable
 

Option C

C.    heading
 

Option D

D.    declarative
 

Correct Answer B
Explanation

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