A databases

 

A database

is an organized collection of structured information, or data, typically stored electronically in a computer system. A database is usually controlled by a database management system (DBMS). ...

The data can then be easily accessed, managed, modified, updated, controlled, and organized

Examples:

Database of school

Database of hospital

Databases of goods and products in a shop

The primary purpose of databases

Facilitate the operations that take place on the data, such as adding data to tables, modifying or deleting existing data, or searching for specific data for retrieval.

Data processing can also be performed to extract additional information that can be used, such as:

Arithmetic and statistical operations, sorting, arranging, aggregating, analyzing, and converting or modifying from one form to another

Database management system (DBMS)

is a software package designed to define, manipulate, retrieve and manage data in a database. A DBMS generally manipulates the data itself, the data format, field names, record structure and file structure. It also defines rules to validate and manipulate this data

Among the most popular software and applications that are used in a database management system are:

Microsoft  Excel   -  Microsoft  Access  -  Oracle  - Visual Basic