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RDBMS

Total questions: 10

Worksheet time: 10mins

Name
Class
Date
1.

........... is the process of minimizing redundancy from a relation or set of relations.

a)

Normalization

b)

Data redundancy

c)

Data consistency

d)

Schema

2.

.......... is the process of organizing the data in the database.

a)

Schema

b)

Normalization

c)

Instance

d)

Transaction

3.

................. form disallows the multi-valued attribute, composite attribute, and their combinations.

a)

1 NF

b)

2 NF

c)

3 NF

d)

4 NF

4.

.......... is used to reduce the data duplication.

a)

1 NF

b)

2 NF

c)

3 NF

d)

4 NF

5.

A ........... can be defined as a group of tasks.

a)

Transaction

b)

Normalization

c)

Schema

d)

Instance

6.

A .............. is a very small unit of a program and it may contain several low-level tasks.

a)

Attribute

b)

Table

c)

Normalization

d)

Transaction

7.

Atomicity, Consistency, Isolation, and Durability − commonly known as ........... properties

a)

AID

b)

ADIC

c)

ACID

d)

DBMS

8.

An .............. can be a real-world object, either animate or inanimate, that can be easily identifiable.

a)

Entity

b)

Entity set

c)

Attribute

d)

Transaction

9.

.......... is an attribute or collection of attributes that uniquely identifies an entity among entity set.

a)

Relations

b)

Attribute

c)

Weak entity

d)

Key

10.

............ are the properties of entities.

a)

Domain

b)

Attributes

c)

Relations

d)

Field