Database Systems MCQs - Chapter 19

RDBMS Interview Questions and Answers Multiple Choice Questions PDF Download - 5

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RDBMS Interview Questions and Answers Questions & Answers PDF Download: MCQ Quiz 5

MCQ 21: Languages based on the relational algebra, add a number of useful syntactic features, such as in

A) JAVA

B) XML

C) SQL

D) DB2

MCQ 22: The relational algebra defines a set of operations on relations, paralleling the

A) Addition operation

B) Subtraction operation

C) Multiplication operation

D) Algebraic operations

MCQ 23: All the matching pairs of tuples are present in the

A) Cartesian Product result

B) Union result

C) Set difference result

D) Join result

MCQ 24: The term that provides a set of operations that take one or more relations as input and return a relation as an output, is said to be

A) Relational Algebra

B) Relational calculus

C) Domain relational algebra

D) Domain algebra

MCQ 25: A data model based on a collection of tables, is known as

A) Entity relationship data model

B) Relational data model

C) Object based data model

D) Semi-structured data model

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