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Database Systems MCQs: Chapter 15

Introduction to SQL Multiple Choice Questions (MCQs) PDF Download - 1

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The Introduction to SQL Multiple Choice Questions (MCQs) with Answers PDF (Introduction to SQL MCQs PDF e-Book) download Ch. 15-1 to study Database Systems Course. Practice Nested Subqueries MCQs, Introduction to SQL trivia questions and answers PDF to learn online certificate courses. The Introduction to SQL MCQs App Download: Free Database Systems App to study aggregate functions, additional basic operations, set operations career test for master degree in computer science.

The MCQ: The with clause, was introduced in "Introduction to SQL" App Download [Free] with answers: sql:1999, sql:1998, sql:2000, and sql:2001 for master degree in computer science. Solve DBMS for Competitive Exams Quiz Questions, download Google e-Book (Free Sample) for computer software engineer online degree.

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Introduction to SQL MCQs with Answers PDF Download: MCQ Quiz 1

MCQ: 1

The with clause, was introduced in

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

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

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

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
MCQ: 4

The exist construct returns true as a value, if the argument subquery is

  1. Empty
  2. Not empty
  3. Exist
  4. Not exist
MCQ: 5

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

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

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