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MCQ

Which of the following is not outer join?

Left outer join

Right outer join

Full outer join

All of the mentioned

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The _____________ is essentially used to search for patterns in target string.

Like Predicate

Null Predicate

In Predicate

Out Predicate

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In a relational model, relations are termed as

Tuples

Attributes

Tables

Rows

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For select operation the ________ appear in the subscript and the ___________ argument appears in the paranthesis after the sigma.

Predicates, relation

Relation, Predicates

Operation, Predicates

Relation, Operation

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Which of the following is used to denote the selection operation in relational algebra?

Pi (GREEK)

Sigma (GREEK)

Lambda (GREEK)

Omega (GREEK)

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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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