Database Systems MCQs - Chapter 19

RDBMS Interview Questions and Answers Trivia Questions and Answers PDF - 4

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RDBMS Interview Questions and Answers Questions & Answers PDF Download: MCQ Quiz 4

MCQ 16: The relational algebra operation that removes duplicate tuples from the output, is known as

Selection
Natural join
Union operation
Projection

MCQ 17: The operation result that contains all pairs of tuples from the two relations, regardless of whether their attribute values match, is said to be

Intersection operation
Cartesian Product operation
Union operation
Join operation

MCQ 18: The query language type that uses predicate logic to define the result desired, without any specific procedure, is said to be

Domain relational calculus
Relational calculus
Domain relational algebra
Relational algebra

MCQ 19: All procedural relational query languages provide a set of operations that can be applied to

Single relation
Pair of relations
Single relation only
Both A and B

MCQ 20: The relational operations performed over queries are of types

2 types
3 types
4 types
5 types

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