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

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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