What is a database?

A database is an organised collection of data. People use databases of all sizes and shapes. There are large databases such as airline ticket information and library catalogue systems. People also create small databases such as home inventories and address books.
Databases are not a new development. We have been using manual databases for hundreds of years. One common example of a
manual database is the telephone book. It is a database arranged alphabetically by family name. Electronic databases have several advantages over manual databases. They make it easy to:

• store large quantities of information using storage devices
• search and sort data quickly and accurately to obtain the required information
• organise information in different ways—data is updated without having to retype all the data
• present information in different ways using tables, forms and reports.

Databases

Databases01

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