Data Processing LISS

...... Is a technique that protect and secures database against intentional or accidental threats.

• Computer Security

• Information Security

• Database Security

• Network Security

A relation is nothing but a .....of value

• Query

• Table

• Report

• All of the above

One of the following is not an example of relational model

• Oracle

• Microsoft Word

• Microsoft Access

• My SQL

One of the following is not a terminology used in database.

• Carnality

• Cardinality

• Tuples

• Attributes

A pool of legal values is called ......

• Attribute

• Tuple

• Domain

• Relation

How many types of constraints do we have in relational DBMS?

• 2

• 3

• 4

• 5

....... are rules or conditions that must be present for a relation to be valid.

• Conditions

• Regulations

• Relations

• Constraints

Database security is concerned with three things except ....

• Reliability

• Confidentiality

• Availability

• Integrity

Database can be secured using the following ways Except .....

• Backups

• Insertion

• Authentication

• Encryption

File can be classified into ........

• 2

• 3

• 4

• 5