Database

A database is a store of related data on a computer system it is organised so computer programs can easily create, delete, read, and store data.

Most databases are files on a computer system. There are different types of files:

• Serial file: A file of items one after another
• Sequential file: A serial file on order

Flat file database

It is made up of fields and records. Fields show characteristics of the data and records link different pieces of data together