Contractor Management System Dataflow Diagram

Posted By freeproject on April 14, 2017

Contractor Management System Data flow diagram is often used as a preliminary step to create an overview of the Contractor without going into great detail, which can later be elaborated.it normally consists of overall application dataflow and processes of the Contractor process. It contains all of the userflow and their entities such all the flow of Contract, Company, Leave, Timesheet, Salary, Project, Employee. All of the below diagrams has been used for the visualization of data processing and structured design of the Contractor process and working flow.


Zero Level Data flow Diagram(0 Level DFD) of Contractor Management System :

This is the Zero Level DFD of Contractor Management System, where we have eloborated the high level process of Contractor. It’s a basic overview of the whole Contractor Management System or process being analyzed or modeled. It’s designed to be an at-a-glance view of Salary,Project and Employee showing the system as a single high-level process, with its relationship to external entities of Contract,Company and Leave. It should be easily understood by a wide audience, including Contract,Leave and Salary In zero leve DFD of Contractor Management System, we have described the high level flow of the Contractor system.

High Level Entities and proccess flow of Contractor Management System:

  • Managing all the Contract
  • Managing all the Company
  • Managing all the Leave
  • Managing all the Timesheet
  • Managing all the Salary
  • Managing all the Project
  • Managing all the Employee
Zero Level DFD Cantractor Management System

First Level Data flow Diagram(1st Level DFD) of Contractor Management System :

First Level DFD (1st Level) of Contractor 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 Contractor Management System system as a whole. It also identifies internal data stores of Employee, Project, Salary, Timesheet, Leave that must be present in order for the Contractor system to do its job, and shows the flow of data between the various parts of Contract, Leave, Project, Employee, Salary 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 Contractor.

Main entities and output of First Level DFD (1st Level DFD):

  • Processing Contract records and generate report of all Contract
  • Processing Company records and generate report of all Company
  • Processing Leave records and generate report of all Leave
  • Processing Timesheet records and generate report of all Timesheet
  • Processing Salary records and generate report of all Salary
  • Processing Project records and generate report of all Project
  • Processing Employee records and generate report of all Employee
First Level DFD Cantractor Mannagement System

Second Level Data flow Diagram(2nd Level DFD) of Contractor Management System :

DFD Level 2 then goes one step deeper into parts of Level 1 of Contractor. It may require more functionalities of Contractor to reach the necessary level of detail about the Contractor functioning. First Level DFD (1st Level) of Contractor Management System shows how the system is divided into sub-systems (processes). The 2nd Level DFD contains more details of Employee, Project, Salary, Timesheet, Leave, Company, Contract.

Low level functionalities of Contractor Management System

  • Admin logins to the system and manage all the functionalities of Contractor Management System
  • Admin can add, edit, delete and view the records of Contract, Leave, Salary, Employee
  • Admin can manage all the details of Company, Timesheet, Project
  • Admin can also generate reports of Contract, Company, Leave, Timesheet, Salary, Project
  • Admin can search the details of Company, Salary, Project
  • Admin can apply different level of filters on report of Contract, Timesheet, Salary
  • Admin can tracks the detailed information of Company, Leave, Timesheet, , Salary
Second Level DFD Cantractor Management System
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