2. 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
5. 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.
6. 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
7. 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
8. Database System Environment
♣ DBMS Software
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.
9. 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.
10. Database System Environment
Identifying five (5) types of users in database
system;
• System Administrators
• Database Administrators
• Database designers
• System Analysts and programmers
• End Users
11. 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.
12. 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.
13. 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,
14. 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 .
