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Relational Databases Quiz Questions and Answers 95 PDF Download

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Quiz on Relational Databases Worksheet 95Quiz PDF Download

Relational Databases Quiz

MCQ: Relational model hides low-level implementation details from

  1. Users
  2. Developers
  3. Both A and B
  4. System itself


ARIES Algorithm in DBMS Quiz

MCQ: Degree of durability in which transaction commits as soon as its written at primary and backup site is known to be

  1. One-safe
  2. Two-very-safe
  3. Two-safe
  4. Three-safe


Nested Subqueries Quiz

MCQ: For testing whether a subquery has duplicate tuples in its result, SQL includes a

  1. Comparison function
  2. Boolean Function
  3. Aggregate Function
  4. Induced function


Selection Operation in SQL Quiz

MCQ: File scans are algorithms for searching that is used to locate and retrieve records, fulfilling a

  1. Projection condition
  2. Selection condition
  3. Hashing condition
  4. Evaluation plan condition


View of Data Quiz

MCQ: At logical level a record can be described as a

  1. Block
  2. Type definition
  3. Segments
  4. Sequences