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Database Systems MCQs (Computer Science) From Textbook

Database Systems MCQs – Practice Test 23 (Chapter 15)

Introduction to SQL Quiz with Answers PDF Download – Test 23

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Download the "Introduction to SQL Quiz" App (Android & iOS): Clause that is applied to each group, if present is; MCQ with answers: avg, group by clause, min/max, and having clause. Study SQL Data Types and Schemas Quiz Questions, download Google Book (Free Chapter) to achieve virtual competence.

Introduction to SQL Quiz – Practice Test 23 PDF Download

MCQ 111: When comparing values of corresponding attributes from two tuples, the values are treated as/ in:

  1. Identical
  2. Union
  3. Unity
  4. Pairs

MCQ 112: The clause that is applied to each group, if present is:

  1. Group by clause
  2. Avg
  3. Min/Max
  4. Having clause

MCQ 113: Updates in the database that violate integrity constraints are:

  1. Allowed
  2. Disallowed
  3. Complex
  4. Easy

MCQ 114: SQL allows several arithmetic functions to operate on the:

  1. Queries
  2. Attributes
  3. Data types
  4. Tuples

MCQ 115: Boolean operations includes:

  1. And/OR/Not
  2. Like/Not Like
  3. Union/Intersection
  4. Less than/Equal to/Greater than

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