MCQs on RDBMS

Ques 1

कौन सा सही है/हैं?

Which is/are correct ?

[A] MySQL is an example of RDBMS.

[B] Expansion of RDBMS is Relational Database Management System.

[C] RDBMS was invented by E. F. Codd, in 1970.

[D] All of the above

Correct Answer : All of the above


Ques 2

UGC NET CS 2017

RDBMS के संबंध में निम्नलिखित का मिलान करें:

Match the following with respect to RDBMS:

A. Entity integrity   1. enforces some specific business rule that do not fall into entity or domain
B. Domain integrity    2. Rows can’t be deleted which are used by other records
C. Referential integrity    3. enforces valid entries for a column
D. User defined integrity  4. No duplicate rows in a table

[A] A - 3, B - 4, C - 1, D - 2

[B] A - 4, B - 3, C - 2, D - 1

[C] A - 4, B - 2, C - 3, D - 1

[D] A - 2, B - 3, C - 4, D - 1

Correct Answer : A - 4, B - 3, C - 2, D - 1


Ques 3

Chhattisgarh ITI 2023

आरडीबीएमएस में क्या शामिल है?

What does an RDBMS consists of?

[A] Collection of records

[B] Collection of keys

[C] Collection of tables

[D] Collection of fields

Correct Answer : Collection of tables