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Computer Science Set-1
Databases
57

Databases MCQ with Answers

57) The users who use easy-to-use menu are called

Sophisticated end users

Naïve users.

Stand-alone users.

Casual end user

Answer is:

Naïve users.

Databases MCQ with Answers

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Related Databases MCQ with Answers

59) Which are the two ways in which entities can participate in a relationship

Passive and active

Total and partial

Simple and Complex

All of the above

Answer is:

Total and partial

60) The result of the UNION operation between R1 and R2 is a relation that includes

All the tuples of R1

All the tuples of R2

All the tuples of R1 and R2

All the tuples of R1 and R2 which have common columns

Answer is:

All the tuples of R1 and R2

61) A set of possible data values is called

Attribute

Degree.

Tuple.

Domain.

Answer is:

Domain.

62) Which of the operations constitute a basic set of operations for manipulating relational data?

Predicate calculus

Relational calculus

Relational algebra

None of the above

Answer is:

Relational algebra

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