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MCQ

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

Predicate calculus

Relational calculus

Relational algebra

None of the above

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MCQ

An expression in the domain relational calculus is of the form

{P(x1, x2, . . . , xn) | < x1, x2, . . . , xn > }

{x1, x2, . . . , xn | < x1, x2, . . . , xn > }

{ x1, x2, . . . , xn | x1, x2, . . . , xn}

{< x1, x2, . . . , xn > | P(x1, x2, . . . , xn)}

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MCQ

A _________ integrity constraint requires that the values appearing in specified attributes of any tuple in the referencing relation also appear in specified attributes of at least one tuple in the referenced relation.

Referential

Referencing

Specific

Primary

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MCQ

Which one of the following is a procedural language?

Domain relational calculus

Tuple relational calculus

Relational algebra

Query language

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MCQ

The assignment operator is denoted by

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MCQ

This query displays

Only tuples from second part

Only tuples from the first part which has the tuples from second part

Tuples from both the parts

Tuples from first part which do not have second part

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category More Database Management System Topics

Miscellaneous or General

Relational Algebra

Database Systems

Data Models

The Relational Database Model

Entity Relationship (ER) Modeling

Advanced Data Modeling

Normalization

Structured Query Language (SQL)

Advanced SQL

Database Design

Transaction and Concurrency

Data Warehouses

Database Administration

Mixed

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