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Computer 59

Computer 59

Computer Science Gate Question Papers with Answers pdf - 1

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Quiz Questions And Answers

Which of the following is a procedural language?

Relational algebra
Query language
Tuple relational calculus
Domain relational calculus

In a relational model, relations are termed as

Rows
Tables
Attributes
Tuples

A database management system

Allows simultaneous access to multiple files
Can do more than a record management system
Is a collection of programs for managing data into a single file
Both a and b

Which of the following types of tables constraints will prevent the entry of duplicate rows?

Primary keys
Foreign keys
Unique keys
Candidate keys

In an E-R diagrams, ellipses represents

Attributes
Link between attributes and entity sets
Relation among entity set
Entity set

Which of the following is/are the primary features of a DBMS?

To provide an environment that is congenial to user
To store the information
To retrieve information
All of the above

DBMS helps to achieve

Data independence
More redundancy
Centralised manner to control of data
Both a and c

A is a property of the entire relation rather than of the individual tuples in which each tuple is unique.

Key
Rows
Attribute
Fields

In a relational modes, a cardinality is termed as

Number of constraints
Number of tables
Number of attributes
Number of tubles

Which of the following is not a type of database?

Relational
Hierarchical
Network
Transition
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