Top 100+ Database Interview Questions and Answers - 1

Question: 1

What is a data?

Data is as fact about people, places or an entity. Data is simply the value assigned to a variable.

Question: 2

What are the various data types?

The various Data types are:

Character,

Number or

Boolean

Question: 3

What is a variable?

The term variable refers to the name of a memory location that can contain only one data at any point of time.

Question: 4

What is a user-defined data type?

Database system provide a facility by which users can define their own, more sophisticated data types which are known as user-defined data types.

Question: 5

What is an information?

Information is defined as a set of processed data that convey the relationship between data considered.