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Database Systems MCQs (Computer Science) From Textbook

Database Systems Exam MCQs – Practice Test 4 (Chapter 21)

SQL Concepts and Queries Notes Questions with Answers PDF Download – Test 4

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Free "SQL Concepts and Queries Learning" App Download with MCQ: SQL does not define a standard way of specifying that a view is; with answers: not materialized, materialized, stored, and not stored. Practice SQL Data Types and Schemas Quiz Questions, download Kobo e-Book (Free Chapter) for SQL database learning.

SQL Concepts and Queries MCQs – Practice Test 4 PDF Download

MCQ 16: SQL does not define a standard way of specifying that a view is:

  1. Materialized
  2. Not materialized
  3. Stored
  4. Not stored

MCQ 17: The rollback work cannot undo, once a transaction has executed by the:

  1. Commit work
  2. Traceback work
  3. Trace work
  4. Transmit work

MCQ 18: If there is a chain of foreign-key dependencies across multiple relations, a deletion or update at one end of the chain may propagate:

  1. No dependent
  2. Entire chain
  3. 1 dependent only
  4. Few dependents only

MCQ 19: If any of the foreign-key columns is null, the tuple is defined automatically to satisfy the:

  1. Integrity
  2. Atomicity
  3. Isolation
  4. Constraint

MCQ 20: How to turn off automatic commit depends on the specific:

  1. Database system
  2. Queries execution
  3. SQL implementation
  4. Structure design

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