Introduction
Database is an organized collection of fact. In other word we can say that it is collection of information arranged and presented to serve and assigned purpose.
An example of Database is a dictionary, where word arranged alphabetically. Another example is telephone directory.
Note
Thus information is stored and arrange in a particular manner
Note
Thus information is stored and arrange in a particular manner
In order to keep database update we may need to perform operations like:-
- Adding information
- Removing information
- Editing the existing information
Why database in used?
Any organization be it a bank, manufacturing company, hospital, university, government department; required huge amount of data in same form or the other all such organization need to collect data, manipulate them and store them for future use.
Characteristics of Database
Fields: The smallest piece of meaningful information of file is called a database item or field. A database item is generally use for a group alpha numeric character.
A data item is generally used for a group of alpha numeric character figure display the data item, fields in records.
NAME, LOCATION, CITY, PIN CODE
Records: The collection of related field is called records.
Files: A collection of record is called files
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