Explore topic-wise MCQs in Database.

This section includes 2 Mcqs, each offering curated multiple-choice questions to sharpen your Database knowledge and support exam preparation. Choose a topic below to get started.

1.	To remove a relation from an SQL database, we use the ______ command.
A.	Delete
B.	Purge
C.	Remove
D.	Drop table
Answer» E.

Discussion

2.	An attribute A of datatype varchar(20) has the value Avi . The attribute B of datatype char(20) has value Reed . Here attribute A has ____ spaces and attribute B has ____ spaces.
A.	3, 20
B.	20, 4
C.	20, 20
D.	3, 4
Answer» B. 20, 4

Discussion

Explore topic-wise MCQs in Database.

To remove a relation from an SQL database, we use the ______ command.

An attribute A of datatype varchar(20) has the value Avi . The attribute B of datatype char(20) has value Reed . Here attribute A has ____ spaces and attribute B has ____ spaces.

An attribute A of datatype varchar(20) has the value Avi . The attribute B of datatype char(20) has value Reed . Here attribute A has spaces and attribute B has spaces.