Database Systems MCQs - Chapter 10

Formal Relational Query Languages Multiple Choice Questions (MCQs) PDF Download - 13

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The Multiple Choice Question (MCQ Quiz): In order to validate set-difference operation r -s, the requirement is that the r and s be of same; "Formal Relational Query Languages" App Download (Free) with answers declaration, structure, arity and definition to learn online educational courses. Solve relational algebra quiz questions, download Google eBook (Free Sample) for online computer engineering programs.

Formal Relational Query Languages Questions & Answers PDF Download: MCQ Quiz 13

MCQ 61: In order to validate set-difference operation r -s, the requirement is that the r and s be of same

Structure
Declaration
Arity
Definition

MCQ 62: The restricted tuple relational calculus is equivalent to the

Tuple relational calculus
Attribute relational calculus
Domain relational calculus
Relational algebra

MCQ 63: The relational-algebraic expressions results does not have names, the operation that is used to give them names are said to be

name operator
Identity operation
rename operator
re-identity operation

MCQ 64: The process of taking a collection of values and returning a single value as a result, is called

Comparative function
Associate function
Aggregate function
Embedded function

MCQ 65: Relational algebra is a

Formal language
Informal language
Structured language
Procedural language

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