Database Systems MCQs – Practice Test for Exam Prep

Set Operations Multiple Choice Questions with Answers – PDF Download

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The "Set Operations Study" App Download: If any of the input values is null, the result of an arithmetic expression, would be; MCQ with answers: 0, null, 1, and undefined. Practice Set Operations Quiz Questions, download Google e-Book (Free Chapter) to master information systems.

Set Operations MCQs PDF Download – Prep Test

MCQ 1: If any of the input values is null, the result of an arithmetic expression, would be:

0
Null
1
Undefined

MCQ 2: SQL uses the special keyword in a predicate to test for a null value:

Escape
Unknown
Known
Null

MCQ 3: The union operation automatically eliminates duplicates, unlike the:

Select clause
From clause
Define clause
Where clause

MCQ 4: Duplicate tuples must be eliminated, when the query uses the clause:

Select Clause
Where Distinct Clause
Select distinct Clause
From Distinct Clause

MCQ 5: The SQL set operations include:

Union
Intersect
Except
All of the Above

Database Systems MCQs App & e-Book – Set Operations Practice Tests

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