Thursday, 12 June 2014

Databases

Databases.

A database is and organised, group of data. there are three aspects to a database.

The external view, this is what the general user sees when they open the database, usually a simple to see sectioned view of the data.
The connectional view,
The physical view,

EXAMPLE OF A SERIAL FILE DB + SEQUENTIONAL DB + FLAT FILE + HEIRACHICAL.

1 comment:

  1. Please could you create an index or clearer method to navigate your blog?

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