Database Management Questions and Answers

Software Programming : Database Management QUESTIONS AND ANSWERS :: part5 : 6 to 10

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

6.The property of transaction which ensures that either all operations of the transaction are reflected properly in the database or none, is called

Atomicity

Durability

Isolation

Consistency

Deadlock.

7.A null value is created or represented by

A zero

A space

Entering a value

Pressing the ESC key

Pressing the Enter key without making a prior entry of any kind.

8.Which of the following is a component of the relational data model included to specify business rules to maintain the integrity of data when they are manipulated?

Business rule constraint

Data integrity

Business integrity

Data structure

Entity Integrity.

9.A functional dependency between two or more non-key attributes is called

Partial functional dependency

Partial non-key dependency

Transitive dependency

Partial transitive dependency

Key dependency.

10.An entity type whose existence depends on another entity type is called a _____ entity.