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Database Systems MCQs (Computer Science) From Textbook

Database Systems Competitive Exam MCQs – Mock Test 235

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Download "Database Languages Notes" App (Android & iOS): When a referential-integrity constraint is violated, the normal procedure is to; MCQ with answers: execute, accept, reject, and resolve. Learn Introduction to DBMS Questions and Answers, Apple Book to download free chapter to develop database competencies.

Database Languages MCQs – Mock Test 235 PDF Download

MCQ 1171: When a referential-integrity constraint is violated, the normal procedure is to:

  1. Accept
  2. Execute
  3. Resolve
  4. Reject

MCQ 1172: The command "Delete from student" would delete from the student relation's:

  1. All attributes
  2. Few attributes
  3. All tuples
  4. Few tuples

MCQ 1173: Deadlock recovery is possible by using the scheme(s):

  1. Deadlock recovery
  2. Deadlock detection
  3. Deadlock elimination
  4. Both A and B

MCQ 1174: The query language type that uses predicate logic to define the result desired, without any specific procedure, is said to be:

  1. Domain relational calculus
  2. Relational calculus
  3. Domain relational algebra
  4. Relational algebra

MCQ 1175: The positional notation of attributes are also applied over the:

  1. Relations
  2. Tuples
  3. Instances
  4. Results

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