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Welcome to the The Entity Relationship Approach MCQs Page

Dive deep into the fascinating world of The Entity Relationship Approach with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of The Entity Relationship Approach, a crucial aspect of DBMS. In this section, you will encounter a diverse range of MCQs that cover various aspects of The Entity Relationship Approach, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within DBMS.

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Check out the MCQs below to embark on an enriching journey through The Entity Relationship Approach. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of DBMS.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of The Entity Relationship Approach. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

The Entity Relationship Approach MCQs | Page 11 of 31

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Q101.
Each entity is represented as a(n):

a.

tuple.

b.

table.

c.

attribute.

d.

file.

Discuss
Answer: (b).table.
Q102.
For every relationship, how many possible sets of minimum cardinalities are there?

a.

Two

b.

Three

c.

Four

d.

Six

Discuss
Answer: (c).Four
Q103.
If a relationship has a cascade updates constraint, then if ________ in the parent table is changed, then the same change will automatically be made to any corresponding foreign key value.

a.

the primary key

b.

any alternate key

c.

a surrogate key

d.

a foreign key

Discuss
Answer: (a).the primary key
Q104.
Which of the following column properties would be used to specify that cells in a column must contain a monetary value that is less than another monetary value in the same row?

a.

Null status

b.

Data type

c.

Default value

d.

Data constraints

Discuss
Answer: (d).Data constraints
Q105.
The type of diagram in which the operations are specified on objects is considered as

a.

functional diagrams

b.

class diagrams

c.

attribute diagrams

d.

entity diagrams

Discuss
Answer: (b).class diagrams
Q106.
Considering the binary relationships, the possible cardinality ratios are

a.

one : one

b.

1 : N

c.

M : N

d.

all of above

Discuss
Answer: (d).all of above
Q107.
The attributes that can be arranged into hierarchy are called

a.

composite attributes

b.

atomic attributes

c.

derived attributes

d.

simple attributes

Discuss
Answer: (a).composite attributes
Q108.
The set of all the entities having same attributes is classified as

a.

entity type

b.

attribute type

c.

function type

d.

hierarchy type

Discuss
Answer: (a).entity type
Q109.
The set of values which specifies which values are to be assigned to individual entities is considered as

a.

domain of values

b.

composition of values

c.

attribution of values

d.

derivation of values

Discuss
Answer: (a).domain of values
Q110.
The type of attributes that can be divided into smaller parts is classified as

a.

multivalve attributes

b.

single valued attributes

c.

composite attributes

d.

atomic attributes

Discuss
Answer: (d).atomic attributes
Page 11 of 31

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