Database

Database and Database Management System:

A database is the way of storing, manipulating and retrieving the data. Different data can be stored in database. Huge amount of data can be stored in the database management system. Database makes easier to get the information from the database management system.(Gupta:2009)

A Database Management System (DBMS) is an assortment of programs that allows users creating and maintaining a database. Database management system helps in storing and manipulating the data in easier way. We can easily access the different complex data from the database management system. It is easier to store data from the Database Management System. In Database Management System the data are stowed and deployed.(Gupta:2009)

ER-Diagram:

An entity relation diagram is the diagrammatic representation of data and information which is stored in database. It helps in viewing the data and information stored in the database.

Data Dictionary:

 “A data dictionary is a collection of description of the data objects or items in the data model for the benefit of the programmers and others who need to refer to them.” (TechTarget) For developing a program data model is used and data dictionary can be consulted to understand where a data item fits in the structure and what values it may contains. (TechTarget)