Database Systems MCQs - Chapter 10

Formal Relational Query Languages Trivia Questions and Answers PDF - 4

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Formal Relational Query Languages Questions & Answers PDF Download: MCQ Quiz 4

MCQ 16: The basic operations of relational algebra are of type

MCQ 17: The operation that allows combination of information from any two relations, is known as

Selection
Projection
Exception
Cartesian product

MCQ 18: The set differences are taken between

Compatible relations
Incompatible relations
Integrated relation
Consistent relations

MCQ 19: The first extended relational-algebra operation is the

Extended Projection
Generalized Projection
Aggregation Projection
Embedded Projection

MCQ 20: The rename operation is expressed by the lower case Greek letter, named

alpha
beta
sigma
rho

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