Menu

Question Discussion & Solution

MCQ

Q.

Using which language can a user request information from a database?

A

Query

B

Relational

C

Structural

D

Compiler

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.

The _____________ is essentially used to search for patterns in target string.

A

Like Predicate

B

Null Predicate

C

In Predicate

D

Out Predicate

Discussion

MCQ

2.

If we want to retain all duplicates, we must write ________ in place of union.

A

Union all

B

Union some

C

Intersect all

D

Intersect some

Discussion

MCQ

3.

. Which of the following operations need the participating relations to be union compatible?

A

UNION

B

INTERSECTION

C

DIFFERENCEqq

D

All of the above

Discussion

MCQ

4.

Which of the following is used to denote the selection operation in relational algebra?

A

Pi (GREEK)

B

Sigma (GREEK)

C

Lambda (GREEK)

D

Omega (GREEK)

Discussion

MCQ

5.

The union operation is represented by

A

?

B

U

D

*

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