Explore topic-wise MCQs in Technical Programming.

This section includes 155 Mcqs, each offering curated multiple-choice questions to sharpen your Technical Programming knowledge and support exam preparation. Choose a topic below to get started.

151.

The ____ connective tests for set membership, where the set is a collection of values produced by a select clause. The ____ connective tests for the absence of set membership.

A. Or, in
B. Not in, in
C. In, not in
D. In, or
Answer» D. In, or
Discussion
152.

Select count (____ ID)from teacheswhere semester = ’Spring’ and year = 2010;If we do want to eliminate duplicates, we use the keyword ______in the aggregate expression.

A. Distinct
B. Count
C. Avg
D. Primary key
Answer» B. Count
Discussion
153.

A command to remove a relation from an SQL database

A. Delete table table name
B. Drop table table name
C. Erase table table name
D. Alter table table name
Answer» C. Erase table table name
Discussion
154.

A Boolean data type that can take values true, false, and________ .

A. 1
B. 0
C. Null
D. Unknown
Answer» E.
Discussion
155.

Which SQL Query is use to remove a table and all its data from the database?

A. Create Table
B. Alter Table
C. Drop Table
D. None of these
Answer» D. None of these
Discussion