Data Processing Cycle

A data processing cycle also simply called a database or a DB is for any set of data.

A database is an entity in which it is possible to store data in a structured manner and with the least possible redundancy.

A database must be designed to allow consultation as well as easy modification of its content, possibly by several users simultaneously.

In a database, the data is stored in fields of given types grouped into tables and linked together. An encyclopedia with its structured data is a database, even if the user usually cannot bring any change, so is .

A database must allow you to quickly find an information. Enter a name and you get all the information about a person.

It is also possible to allow members to update their own information. The possibilities offered by all types of databases are numerous and can respond to multiple expectations.

The management of a database is done through a system called Database Management System (DBMS) in English. In French the system is called "Système de gestion de bases de données" (SGBD).

The DBMS is a set of software applications enabling the management of the database. It provides access to data and to information to multiple users. It also manipulates data as in inserting, deleting or modifying it.

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