What is database?

What is Data Base?

A collection of logically related data is called database. For example, the telephone directory, your personal address book, dictionary etc. are examples of databases. A database contains data or informations about a particular topic such as:

1. Database of employees that contains data of employees of an organizations or department.
2. Data base of students that contains data of students of a college university ets

A database a may be created and maintained manually or it may be computerized. Library card catalog is an example of a database that is created and maintained by hand. Mechanized database is created and maintained by a list of agendas. This set of programs is called database management system.

Generally, database is a collection of logically related data sets or files. Each data set of file may contain different kind of information that is used for specific purposes. For example, a bank maintains different types of information for its clients in separate files such as:

• Saving Accounts
• Current Accounts
• Automobile Loan
• Personal Loan
• Client Information etc.

The Client database of a bank may include records from all of the and quickly by using database system.

Facilities Provided By Database System

A database system normally provides the following facilities to the users:

Inserting new records into the database

Retrieving the records from the databases

Deleting the records from the databases

Updating the existing records

Adding new files to database.

Removing existing files from database etc.