SQL MCQs (Computer Science) From Textbook

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SQL MCQs – Mock Test 34

SQL Learning Guide for Beginners – Test 34

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The MCQ: Matching any string character type in SQL, special character used for purpose is "SQL Quiz" App Download (Free) with answers: _, ?, ^, and % for cheapest online computer science degree. Practice sql questions and answers, Apple iBook to download free chapter for online degree programs.

SQL Quiz with Answers – Mock Test 34 PDF Download

MCQ: 166

Matching any string character type in SQL, the special character used for the purpose is

  1. ?
  2. _
  3. %
  4. ^
MCQ: 167

An aggregate function of SQL that demands the input to be a collection of numbers is known to be

  1. Avg
  2. Sum
  3. Both A and B
  4. Min/Max
MCQ: 168

The number of tuples in a relation can be computed by using the aggregate function known to be

  1. CountIF
  2. Max
  3. Count
  4. Sum
MCQ: 169

Relations containing null values are handled by SQL by adding a defined truth value of

  1. True
  2. False
  3. Unknown
  4. Existence
MCQ: 170

In SQL, the pattern must be followed by the clauses, is said to be of

  1. Select, where, from
  2. From, select, where
  3. Select, from, where
  4. From, where, select

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