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Question ID 1621

Click on the EXHIBIT button and examine the employee table.
You attempt to query the database with this command:
SELECT dept_no, last_name, SUM(salary)
FROM employee
WHERE salary < 50000
GROUP BY dept_no
ORDER BY last_name;
Which clause causes an error?

Option A

A.   WHERE salary < 50000

Option B

B.    FROM employee
 

Option C

C.    ORDER BY last_name
 

Option D

D.    GROUP BY dept_no
 

Correct Answer D
Explanation


Question ID 1622

Given this CURSOR statement: DECLARE
CURSOR query_cursor (v_salary) IS SELECT last_name, salary, dept_no FROM employee
WHERE salary > v_salary;
Why does this statement cause an error?
 

Option A

A.    A scalar datatype was not specified for the parameter.

 

Option B

B.    A WHERE clause is not allowed in a CURSOR statement.
 

Option C

C.    The INTO clause is missing from the SELECT statement.
 

Option D

D.    The parameter mode was not defined.

Correct Answer A
Explanation

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