Database Systems MCQs - Chapter 10

Formal Relational Query Languages Quiz Questions and Answers PDF - 7

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Formal Relational Query Languages Questions & Answers PDF Download: MCQ Quiz 7

MCQ 31: The project operation with certain attributes left out, returns its

A) Parametric relation

B) Argument relation

C) Dimensional relation

D) Dynamic relation

MCQ 32: Commercial database systems use languages with extensive

A) Semantic sugar

B) Dynamic sugar

C) Syntactic sugar

D) Static sugar

MCQ 33: A positional notation can be used for the reference of

A) Relation names

B) Tuple names

C) Indices

D) Instances

MCQ 34: The operations that add expressive power to relational algebra, is known to be

A) Additional operations

B) Embedded operations

C) Basic operations

D) Extended operations

MCQ 35: The operations with the ability to express queries that cannot be expressed by the basic relational-algebra operations, is known as

A) Compound relational-algebra

B) Composite relational-algebra

C) Embedded relational-algebra

D) Extended relational-algebra

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