A database system is just a computerised record-keeping system. The database is a kind of an electronic filling cabinet. The user can perform the following operations..
Addition of new files to the database
Insertion of data into existing files
Retrieving of data from existing files
Updation of data in existing files
Removing of data from existing files
A large repository of data which may be structured or unstructured, manually operated or computerized, consisting of a single file or a number of files is refered to as a database.They used data base management systems (DBMS) software which control the steucture of the database and access to the data.Database stores a collection of related sets of data items (i.e. both data and relations between them) along with necessary data/information associated with it (metadata). In a traditional manual system a database is stored on paper while in a computer-based system it is stored on secondary devices in electronic form.
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