Menu

Question Discussion & Solution

MCQ

Q.

Weak entity set is represented as

A

Underline

B

Double line

C

Double diamond

D

Double rectangle

Community Discussion

No discussions yet. Be the first to start!

You must be logged in to participate in the discussion.

Login to Discuss

Similar Questions

MCQ

1.

Consider a directed line(->) from the relationship set advisor to both entity sets instructor and student. This indicates _________ cardinality

A

One to many

B

One to one

C

Many to many

D

Many to one

Discussion

MCQ

2.

Data integrity constraints are used to:

A

Control who is allowed access to the data

B

Ensure that duplicate records are not entered into the table

C

Improve the quality of data entered for a specific property

D

Prevent users from changing the values stored in the table

Discussion

MCQ

3.

A set of possible data values is called

A

attribute

B

degree

C

tuple

D

domain

Discussion

MCQ

4.

. In an E-R diagram attributes are represented by

A

rectangle

B

square

C

ellipse

D

triangle

Discussion

MCQ

5.

Weak entity set is represented as

A

Underline

B

Double line

C

Double diamond

D

Double rectangle

Discussion

More Database Management System Topics

Miscellaneous or General

71 MCQs

Relational Algebra

3 MCQs

Database Systems

49 MCQs

Data Models

16 MCQs

The Relational Database Model

58 MCQs

Entity Relationship (ER) Modeling

59 MCQs

Advanced Data Modeling

1 MCQs

Normalization

58 MCQs

Structured Query Language (SQL)

7 MCQs

Advanced SQL

90 MCQs

Database Design

2 MCQs

Transaction and Concurrency

10 MCQs

Data Warehouses

10 MCQs

Database Administration

1 MCQs

Mixed

10 MCQs