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Set Operations MCQ (Multiple Choice Questions) PDF Download
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The MCQ: SQL uses the special keyword in a predicate to test for a null value; "Set Operations" App Download (Free) with answers: Escape; Unknown; Known; Null; to learn computer science courses. Practice Set Operations Quiz Questions, download Google e-Book (Free Sample) for online computer engineering programs.
Set Operations MCQs PDF: Questions Answers Download
If any of the input values is null, the result of an arithmetic expression, would be
- 0
- Null
- 1
- Undefined
SQL uses the special keyword in a predicate to test for a null value
- Escape
- Unknown
- Known
- Null
The union operation automatically eliminates duplicates, unlike the
- Select clause
- From clause
- Define clause
- Where clause
Duplicate tuples must be eliminated, when the query uses the clause
- Select Clause
- Where Distinct Clause
- Select distinct Clause
- From Distinct Clause
The SQL set operations include
- Union
- Intersect
- Except
- All of the Above
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Set Operations MCQs Book Questions
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