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Database Systems MCQs (Computer Science) From Textbook

Database Systems MCQs – Practice Test 32 (Chapter 21)

SQL Concepts and Queries Notes Questions with Answers PDF Download – Test 32

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The "SQL Concepts and Queries Notes" App Download: Certain database systems allow view relations to be; MCQ with answers: prestored, stored, precomputed, and precompiled. Practice Modification of Database Quiz Questions, download Kobo e-Book (Free Chapter) for database learning systems.

SQL Concepts and Queries MCQs – Practice Test 32 PDF Download

MCQ 156: The create table command may also include:

  1. Atomicity statements
  2. Boolean statements
  3. Integrity-constraints statements
  4. Evaluative statements

MCQ 157: Certain database systems allow view relations to be:

  1. Stored
  2. Prestored
  3. Precomputed
  4. Precompiled

MCQ 158: For every attribute in SQL by default, a null value as a result is a:

  1. Illegal value
  2. Legal value
  3. Atomic value
  4. Convertible value

MCQ 159: SQL defines several functions to get the:

  1. Current date
  2. Current time
  3. System date
  4. Both A and B

MCQ 160: Null values complicate the referential-integrity constraints:

  1. Syntax
  2. Logic
  3. Semantics
  4. Handling

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