Database : A group of structured data that can be used to serve many applications by centralizing the data and regulating redundant data is called as database. In the database, data is appeared to users as being stored in only one location. Database Management Software: A collection of programs is called as database management system which provides some features such as: Management of databases Controlling access to data Query language to retrieve information The data in the DBMS (Data Base Management system) is made up of three components such as: Physical database Database engine Database schema DBMS acts as an interface between application programs and the physical data files. Database Design: It is important to design a database because it involves understanding the data relationships, the type of data maintained in the database, data usage, and how the organization need to change to manage data from a company-wide perspective. The main two aspects of database design are as follows. Physical design – The actual arrangement of database on direct-access storage devices. Conceptual design – The abstract model of database from a business perspective.

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Chapter 6, Problem 6DQ

Program Plan Intro

Database:

A group of structured data that can be used to serve many applications by centralizing the data and regulating redundant data is called as database.

In the database, data is appeared to users as being stored in only one location.

Database Management Software:

A collection of programs is called as database management system which provides some features such as:

Management of databases

Controlling access to data

Query language to retrieve information

The data in the DBMS (Data Base Management system) is made up of three components such as:

Physical database

Database engine

Database schema

DBMS acts as an interface between application programs and the physical data files.

Database Design:

It is important to design a database because it involves understanding the data relationships, the type of data maintained in the database, data usage, and how the organization need to change to manage data from a company-wide perspective.

The main two aspects of database design are as follows.

Physical design – The actual arrangement of database on direct-access storage devices.

Conceptual design – The abstract model of database from a business perspective.

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