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MCQs on Introduction to SQL Test 1 PDF eBook Download
MCQ: With clause, was introduced in
MCQ: To specify duplicate retention, we can use keyword in place of distinct, which is
- Select distinct
MCQ: An identifier, that is used to rename a relation is referred to as a
- Input variable
- Clone name
- Correlation name
- Table alias
MCQ: Exist construct returns true as a value, if argument subquery is
- Not empty
- Not exist
MCQ: If any of input values is null, result of an arithmetic expression, would be