DFD for Software Personnel

Management System
request info login credintials

req docs
edit info

login credintials request info

user spms Admin

user page show info

show info

Context level
diagram
level-0
 login db
login credintials check
retrieve
user page
Authendication
Status
attendance
database
show data
edit data
User update Admin
search show data
selects Attendance
shows details

edit
details
view profile
views details
Profile edit profile
shows detais update
search
database show details
show data
show details
User
updates payscale
Payscale
update
selects
search
database

show data
select from list show projects

show project details Projects edits projects

search
update
send data Admin
database
send data
search
update show schedule
view schedule
Schedule update schedule
show details

Level-1
 Authendication
status

login credintials
login credintials
check in db

check
user details
retrive

user page
User user
show user page Admin
page search

details

user db

details
Register

store details

attendence database

Level-2
 Attendance

status

arrival time/exit time

arrival time/exit time
Mark attendance

User changes made

Admin
update

edit attendance

update

show data show data

view attendance

view details show details

attendance database

Level-2
 Profile

status

selects
show user details
View profile
show user details

User Admin
status
search
retrive

Update profile
edit profile
edit profile

store in
databse

User database

Level-2
 Payroll
status

show payroll request details

show payroll details

show payroll
request

User Admin
details
cal. results

calculate payroll edit payroll

fetch from
database store in db

database

Level-2
 Projects

status

request
requests
View Projects

show results show results

fetch data

Update Projects
User update update
Admin

store in db

Project database

Level-2
 Schedule

show details show details

request request
View schedule

fetch data

User Admin

changes made

Update schedule

store in
database

Schedule database

Level-2