Database Systems MCQs – Certification Test 1256

Aggregate Functions Quiz (Question 1256) – App & e-Book Download

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MCQ 1256: The output of the query:
select avg (salary)
from instructor
where dept name='Comp. Sci.';
:

Average salary of instructors in the Computer Science department.
Salary of instructors in the Computer Science department.
Average salary in the Computer Science department.
Maximum salary of instructors in the computer science department

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