Integrity Constraints Notes App | Database Systems Notes e-Book PDF | 423
Database Systems MCQs (Computer Science) From Textbook

Database Systems Certification MCQs – Mock Test 423

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Download the "Integrity Constraints Notes" App (Android & iOS): Referential-integrity constraints are also known to be; MCQ with answers: subset dependent, set dependent, integrity dependent, and reference dependent. Learn SQL Concepts and Queries Questions and Answers, Apple Book to download free chapter to develop system expertise.

Integrity Constraints Notes Q&A PDF Download – Mock Test 423

MCQ 2111: Referential-integrity constraints are also known to be:

  1. Set dependent
  2. Subset dependent
  3. Reference dependent
  4. Integrity dependent

MCQ 2112: SQL implicitly extracts the value from the single attribute of the single tuple in the relation, and returns:

  1. True
  2. False
  3. Unknown
  4. Value

MCQ 2113: The symbol that can be used in the select clause to denote 'all attributes', is:

  1. _
  2. ^
  3. &
  4. *

MCQ 2114: The data dictionary cache holds data in the form of:

  1. Blocks
  2. Buffers
  3. Rows
  4. Columns

MCQ 2115: To deal with the responsibilities, a database system is partitioned into:

  1. Segments
  2. Chunks
  3. Channels
  4. Modules

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