An Overview of Database Management
Content
An Overview of Database Management
Group # 11
NAVEED AHMED KHAN MUHAMMAD OBAIDULLAH KHAN SYED WAQAS SHAFI
An Overview of Database Management
Database
A database is just a collection of data that is used by application system of enterprise.
An Overview of Database Management
Introduction
A database system is basically just a
computerized record –keeping system.
The data base itself can be regarded as a kind
of electronics filing cabinet
An Overview of Database Management
We can say it is a container for a collection of computerized data files – User of a system can perform a variety of operation on such files - For example: Adding new files to the database Inserting data into existing files Retrieving data into existing files changing data into existing files Deleting data into existing files Removing existing files from the database
An Overview of Database Management
What is a Database System?
A Database system is a computerized system whose overall purpose is to store information and allow users to retrieve and update that information on demand
An Overview of Database Management
Components of Database Management System
Data
Hardware Software &
User
An Overview of Database Management
Components of Database Management System
Data
Data is the all information that has to be share or integrated
Hardware
It consist of; • Secondary storage • The hardware Processor(s)
An Overview of Database Management
Components of Database Management System
Software
The database
management system are operated by a software that handle
User
• First, there are application programmers, responsible for writing database applications • Second, users are end user, who interact with the system from online workstations or
terminals.
overall operation of the
database
An Overview of Database Management
Database Management System
Database
Application Programs
End users
An Overview of Database Management
Why Database?
Compactness: Speed: There is no need for possibly voluminous paper files The Machine can retrieve and update Less Drudgery: Accuracy: far faster than a human can.
Less Labor required Accurate, up-to-date information is
available on demand at any time
An Overview of Database Management
Benefits of Database?
The data can be shared
Redundancy can be reduced
Inconsistency can be avoided (to some extent) Transaction support can be provided Contd…
An Overview of Database Management
Benefits of Database?
Integrity can be maintained Security can be enforced Conflicting requirements can be balanced Standards can be enforced
An Overview of Database Management
Thank You
Group # 11
NAVEED AHMED KHAN MUHAMMAD OBAIDULLAH KHAN SYED WAQAS SHAFI
An Overview of Database Management
Database
A database is just a collection of data that is used by application system of enterprise.
An Overview of Database Management
Introduction
A database system is basically just a
computerized record –keeping system.
The data base itself can be regarded as a kind
of electronics filing cabinet
An Overview of Database Management
We can say it is a container for a collection of computerized data files – User of a system can perform a variety of operation on such files - For example: Adding new files to the database Inserting data into existing files Retrieving data into existing files changing data into existing files Deleting data into existing files Removing existing files from the database
An Overview of Database Management
What is a Database System?
A Database system is a computerized system whose overall purpose is to store information and allow users to retrieve and update that information on demand
An Overview of Database Management
Components of Database Management System
Data
Hardware Software &
User
An Overview of Database Management
Components of Database Management System
Data
Data is the all information that has to be share or integrated
Hardware
It consist of; • Secondary storage • The hardware Processor(s)
An Overview of Database Management
Components of Database Management System
Software
The database
management system are operated by a software that handle
User
• First, there are application programmers, responsible for writing database applications • Second, users are end user, who interact with the system from online workstations or
terminals.
overall operation of the
database
An Overview of Database Management
Database Management System
Database
Application Programs
End users
An Overview of Database Management
Why Database?
Compactness: Speed: There is no need for possibly voluminous paper files The Machine can retrieve and update Less Drudgery: Accuracy: far faster than a human can.
Less Labor required Accurate, up-to-date information is
available on demand at any time
An Overview of Database Management
Benefits of Database?
The data can be shared
Redundancy can be reduced
Inconsistency can be avoided (to some extent) Transaction support can be provided Contd…
An Overview of Database Management
Benefits of Database?
Integrity can be maintained Security can be enforced Conflicting requirements can be balanced Standards can be enforced
An Overview of Database Management
Thank You
