Binary Relational Operation: JOIN and DIVISION Quizzes Online MCQs PDF Download eBook
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"In the EQUIJOIN condition, the operation which is used to avoid superfluous attribute is classified as", binary relational operation join and division Multiple Choice Questions (MCQ) with choices natural join, alpha join, unnatural join, and theta join to learn online courses. Learn relational algebra and calculus questions and answers with free online certification courses for CS major.
Binary Relational Operation: JOIN & DIVISION Questions and Answers PDF Download eBook
MCQ: In the EQUIJOIN condition, the operation which is used to avoid superfluous attribute is classified as
- ALPHA JOIN
- NATURAL JOIN
- UNNATURAL JOIN
- THETA JOIN
B
MCQ: In linear hashing, the formula of file load factor is
- l = r⁄ (bfr * N)
- l = r⁄ (bfr + N)
- l = r⁄ (bfr - N)
- l = r⁄ (bfr * 2N)
A
MCQ: The types of partial constraints are
- total and partial
- intensive and extensive
- minimum and maximum
- floating and string
A
MCQ: The attributes which have only one value for a specific entity are called
- multi-valued attributes
- single valued attributes
- atomic attributes
- diatomic attributes
B
MCQ: The Boolean expression used in the SELECT operation consists of clauses such as
- attribute name
- constant value
- comparison operators
- all of above
D