DBMS MCQ Database Questions Answers Download PDF


11) Which of the following normal forms deals with the anomaly of partial functional dependency on the composite key?

a) 1NF

b) 2NF

c) 4NF

d) 5NF

View Answer
Option – b)


12)  ………………… represents the structure of the database in a formal language acceptable by the DBMS.

a) Database schema

b) ER diagram

c) Database table

d) None

View Answer
Option – a)


13) Which of the following statements are used to create indexes in the database?

a) CREATE INDEX

b)  BUILD INDEX

C) WRITE INDEX

d) None’

View Answer
Option – a)


14)Which of the following is a database recovery technique?

a) Check-pointing

b) Transaction rollback

c) Shadow paging

d) All

View Answer
Option – d)


15)Which of the following is a foreing key constraint?

a)Referential integrity

b) Domain integrity

d) Entity integrity

d) All

View Answer
Option – a)


16) Which of the following trains are important to select a primary key?

a) Unique

b) Not Null

c) Fully functional dependency

d) Indexed

d) All

View Answer
Option – e)


17) What are various types of DBMS?

a) ORBDMS

b) Client server DBMS

c) Distributed DBMS

d) OODBMS

e) All

View Answer
Option – e)


18) Which of the following are the types of integrity constraints enforced by RDBMS?

a) Entity integrity

b) Domain integrity

c) Referential integrity

d) All

View Answer
Option – d)

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