- Posted By: freeproject
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Posted By freeproject on April 14, 2017
Leave Management System Data flow diagram is often used as a preliminary step to create an overview of the Leave Management without going into great detail, which can later be elaborated.it normally consists of overall application dataflow and processes of the Leave Management process. It contains all of the userflow and their entities such all the flow of Employee, Attendance, Leave, Leave Status, Leave Type, Salary, Task. All of the below diagrams has been used for the visualization of data processing and structured design of the Leave Management process and working flow.
Zero Level Data flow Diagram(0 Level DFD) of Leave Management System :
This is the Zero Level DFD of Leave Management System, where we have eloborated the high level process of Leave Management. It’s a basic overview of the whole Leave Management System or process being analyzed or modeled. It’s designed to be an at-a-glance view of Leave Type,Salary and Task showing the system as a single high-level process, with its relationship to external entities of Employee,Attendance and Leave. It should be easily understood by a wide audience, including Employee,Leave and Leave Type In zero leve DFD of Leave Management System, we have described the high level flow of the Leave Management system.High Level Entities and proccess flow of Leave Management System:
- Managing all the Employee
- Managing all the Attendance
- Managing all the Leave
- Managing all the Leave Status
- Managing all the Leave Type
- Managing all the Salary
- Managing all the Task
First Level Data flow Diagram(1st Level DFD) of Leave Management System :
First Level DFD (1st Level) of Leave Management System shows how the system is divided into sub-systems (processes), each of which deals with one or more of the data flows to or from an external agent, and which together provide all of the functionality of the Leave Management System system as a whole. It also identifies internal data stores of Task, Salary, Leave Type, Leave Status, Leave that must be present in order for the Leave Management system to do its job, and shows the flow of data between the various parts of Employee, Leave, Salary, Task, Leave Type of the system. DFD Level 1 provides a more detailed breakout of pieces of the 1st level DFD. You will highlight the main functionalities of Leave Management.Main entities and output of First Level DFD (1st Level DFD):
- Processing Employee records and generate report of all Employee
- Processing Attendance records and generate report of all Attendance
- Processing Leave records and generate report of all Leave
- Processing Leave Status records and generate report of all Leave Status
- Processing Leave Type records and generate report of all Leave Type
- Processing Salary records and generate report of all Salary
- Processing Task records and generate report of all Task
Second Level Data flow Diagram(2nd Level DFD) of Leave Management System :
DFD Level 2 then goes one step deeper into parts of Level 1 of Leave Management. It may require more functionalities of Leave Management to reach the necessary level of detail about the Leave Management functioning. First Level DFD (1st Level) of Leave Management System shows how the system is divided into sub-systems (processes). The 2nd Level DFD contains more details of Task, Salary, Leave Type, Leave Status, Leave, Attendance, Employee.Low level functionalities of Leave Management System
- Admin logins to the system and manage all the functionalities of Leave Management System
- Admin can add, edit, delete and view the records of Employee, Leave, Leave Type, Task
- Admin can manage all the details of Attendance, Leave Status, Salary
- Admin can also generate reports of Employee, Attendance, Leave, Leave Status, Leave Type, Salary
- Admin can search the details of Attendance, Leave Type, Salary
- Admin can apply different level of filters on report of Employee, Leave Status, Leave Type
- Admin can tracks the detailed information of Attendance, Leave, Leave Status, , Leave Type
