Database Management System:Definition,Applications,main functions,Advantage & Disadvantage

1. DBMS
(Database Management System)
Slide no : 1

2.  What is DBMS?
A database management system (DBMS) is
the software or application that allows a
computer to perform database functions of
storing, retrieving, inserting, deleting and
modifying data.
(OR) Database management system is a
collection of interrelated data and a set of
programs to access those data

3. Applications:
 Application:
Universities: Registration, grades
Airlines: Reservations, schedules
Sales: Customers, products, purchases
Online retailers: Order tracking, customized recommendations
Manufacturing: Production, inventory, orders, supply chain
Human resources: Employee records, salaries, tax deductions
 Other application:
Banking
 Telecommunication
 Finance
Internet
 Credit Card Transaction

4. What are five main functions of a
database administrator?
Data Dictionary Management
 Data Storage Management
Data Transformation and Presentation
Security Management
Multiuser Access Control
Backup and Recovery Management
 Data Integrity Management
Database Access Languages and Application
Programming Interfaces

5. Advantage &Disadvantage of DBMS:
Advantages:
 Improved data sharing.
 Improved data security.
 Better data integration.
 Minimized data
inconsistency.
 Improved data access.
 Improved decision making.
 Increased end-user
productivity.
Disadvantages:
 Management complexity.
 Increased costs.
 Maintaining currency.
 Frequent upgrade

6. Thanks a lot
My next slide will be coming soon…
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