Database System

Environment

Database System Environment?

Database system refers to an organization of components that defines and regulate the;

•Collection

•Storage

•Management

•Use of data within the environment

Database System Environment

•Hardware

•Software

•People

•Procedure

•Data

Database System Environment

Database System Environment

•Hardware

Hardware identifies all the system’s physical devises.

Computer is the main and most easily identified hardware component of the database system environment.

Database System Environment

•Software

Software refers to the collection of programs used by the computers within the database system.

Three (3) types of software;

♣ Operating system Software

♣ DBMS Software

♣ Application program and utilities

Database System Environment

♣ Operating system Software

Operating system software manages all hardware components and makes it possible for all other software to run on the computer.

Example;

DOS- Disk Operating System

♣ DBMS Software

Database System Environment

Manages the database within system. Some examples of DBMS software include Microsoft’s Access and SQL Server. Oracle Corporation’s

♣ Application program and utilities

It is used to access and manipulate the data in the DBMS and to manage the computer environment in which data access and manipulation takes place.

Database System Environment

Application programs are most commonly used to access data found within the database to generate reports, tabulation and other information to facilitate decision making.

•People

The components includes all users of the database system.

Database System Environment

Identifying five (5) types of users in database system;

• System Administrators

• System Analysts and programmers

• Database designers

• Database Administrators

• End Users

Database System Environment

• System Administrators

Oversee the database system’s general operations.

• Database Administrators

Also known as DBAs, manage the DBMS’s use and ensure that the database is functioning properly.

Database System Environment

• Database designers

Design the database structure. They are, in effect , the database architects.

• System Analysts and programmers

Design and implement the application programs. They designed and create the data entry screens, reports, and procedures through which end users access and manipulate database’s data.

Database System Environment

• End Users

Are the people who use the application programs to run the organization’s daily operations.

•Procedure

Are the instructions and rules that govern the design and use of the database system. Procedures are critical. It plays an important role in a company,

Database System Environment

Because they enforce the standards by which business is conducted within the organization and with customers.

•Data

The word “data” covers the collection of fact stored in the database. Because raw material from which information is generated .

End of

Discussion

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