DATA FLOW DIAGRAMS

Data flow diagrams are used to specifying the flow of data between different modules. Data flow diagrams give us complete knowledge that what happens to a particular data in a particular module and also specifies that what data are used.

There are different levels of data flow diagram: -

Context diagram Level 0 DFD Level 1 DFD Level 2 DFD

Context diagram: -

Central data base

Store information Receive information

Request

Request approval

Sports club management system

customer

Level 0 DFD: -

Request for information

Request for info.

Details granted

Give details to sign up

Request for details

Search team info & members

About members of particular team

Request for details

Person

1.0 general details

2.0 members enquiry

3.0

sign up

4.0 teams enquiry

Schedule details

Level 1 DFD: -

Member’s info

request sending details

update details

members data base data base

Updated details by executive

data base

request for update schedule provided details of

match(date & venue)

getting request for name and password

Member info 1.1

Verification 1.2

Sign up as a executive member

Updated all the corresponding details provided

Person

level 1dfd phase -2

Sign up process

request cheeking payment

ask for fulldetails sending

details data base payment recieve

person details

update

Central data base

processverifying Mode of

payment

successful

Level 1 dfd phase -2

Schedule check

request successfully logged in accepted

enter name and password enter date and venue granted

user info data base

Team info

success

request

provide granted game type acceptedinfo

person

team data base

provide details

Sign up Schedule

person

Generating details

Sign up Select game

person

Select category (age)

Provide info