Introduction to SQL Multiple Choice Questions 1 PDF eBook Download

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MCQs on Introduction to SQL Test 1 PDF eBook Download

MCQ: With clause, was introduced in

  1. SQL:1998
  2. SQL:1999
  3. SQL:2000
  4. SQL:2001

B

MCQ: To specify duplicate retention, we can use keyword in place of distinct, which is

  1. Select distinct
  2. Duplicate
  3. Whole
  4. All

D

MCQ: An identifier, that is used to rename a relation is referred to as a

  1. Input variable
  2. Clone name
  3. Correlation name
  4. Table alias

C

MCQ: Exist construct returns true as a value, if argument subquery is

  1. Empty
  2. Not empty
  3. Exist
  4. Not exist

B

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

  1. 0
  2. Null
  3. 1
  4. Undefined

B