Database Management Questions and Answers

Software Programming : Database Management QUESTIONS AND ANSWERS :: part4 : 11 to 15

Following Software Programming language Entrance Multiple choice objective type questions and answers will help you in Software Programming 2024 examinations :

11.A table is in the Fourth Normal Form (4NF) if

All attributes must be dependent on the primary key, and must be dependent on each other

All attributes must be dependent on the primary key, but must be independent of each other

No row can contain two or more multivalued facts about an entity

A and C

B and C.

12.A table where all attributes are dependent on the primary key and are independent of each other, and no row contains two or more multivalued facts about an entity, is said to be in

1NF

2NF

3NF

4NF

BCNF.

13._______ means that data used during the execution of a transaction cannot be used by a second transaction until the first one is completed.

Serializability

Atomicity

Isolation

Time stamping

Durability.

14.Which of the following is not true about B+ trees?