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DBMS Notes and Technology Articles

Binary Relational Operation: JOIN and DIVISION Quizzes Online MCQs PDF Download eBook

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Binary Relational Operation: JOIN & DIVISION Questions and Answers PDF Download eBook

Binary Relational Operation: JOIN and DIVISION Quiz

MCQ: In the EQUIJOIN condition, the operation which is used to avoid superfluous attribute is classified as

  1. ALPHA JOIN
  2. NATURAL JOIN
  3. UNNATURAL JOIN
  4. THETA JOIN

B

Hashing Techniques Quiz

MCQ: In linear hashing, the formula of file load factor is

  1. l = r⁄ (bfr * N)
  2. l = r⁄ (bfr + N)
  3. l = r⁄ (bfr - N)
  4. l = r⁄ (bfr * 2N)

A

ERM Types Constraints Quiz

MCQ: The types of partial constraints are

  1. total and partial
  2. intensive and extensive
  3. minimum and maximum
  4. floating and string

A

Entity Types, Sets, Attributes and Keys Quiz

MCQ: The attributes which have only one value for a specific entity are called

  1. multi-valued attributes
  2. single valued attributes
  3. atomic attributes
  4. diatomic attributes

B

SELECT and PROJECT Quiz

MCQ: The Boolean expression used in the SELECT operation consists of clauses such as

  1. attribute name
  2. constant value
  3. comparison operators
  4. all of above

D