Social Networking Site Dataflow Diagram

Posted By namita on July 10, 2017

Social Networking Site Data flow diagram is often used as a preliminary step to create an overview of the Social Networking without going into great detail, which can later be elaborated.it normally consists of overall application dataflow and processes of the Social Networking process. It contains all of the userflow and their entities such all the flow of Users, Friends, Posts, Shares, Photos, Videos, Social Network. All of the below diagrams has been used for the visualization of data processing and structured design of the Social Networking process and working flow.


Zero Level Data flow Diagram(0 Level DFD) of Social Networking Site :

This is the Zero Level DFD of Social Networking Site, where we have eloborated the high level process of Social Networking. It’s a basic overview of the whole Social Networking Site or process being analyzed or modeled. It’s designed to be an at-a-glance view of Photos,Videos and Social Network showing the system as a single high-level process, with its relationship to external entities of Users,Friends and Posts. It should be easily understood by a wide audience, including Users,Posts and Photos In zero leve DFD of Social Networking Site, we have described the high level flow of the Social Networking system.

High Level Entities and proccess flow of Social Networking Site:

  • Managing all the Users
  • Managing all the Friends
  • Managing all the Posts
  • Managing all the Shares
  • Managing all the Photos
  • Managing all the Videos
  • Managing all the Social Network
Zero Level Data flow Diagram(0 Level DFD) of Social Networking Site

First Level Data flow Diagram(1st Level DFD) of Social Networking Site :

First Level DFD (1st Level) of Social Networking Site 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 Social Networking Site system as a whole. It also identifies internal data stores of Social Network, Videos, Photos, Shares, Posts that must be present in order for the Social Networking system to do its job, and shows the flow of data between the various parts of Users, Posts, Videos, Social Network, Photos 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 Social Networking.

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

  • Processing Users records and generate report of all Users
  • Processing Friends records and generate report of all Friends
  • Processing Posts records and generate report of all Posts
  • Processing Shares records and generate report of all Shares
  • Processing Photos records and generate report of all Photos
  • Processing Videos records and generate report of all Videos
  • Processing Social Network records and generate report of all Social Network
First Level Data flow Diagram(1st Level DFD) of Social Networking Site

Second Level Data flow Diagram(2nd Level DFD) of Social Networking Site :

DFD Level 2 then goes one step deeper into parts of Level 1 of Social Networking. It may require more functionalities of Social Networking to reach the necessary level of detail about the Social Networking functioning. First Level DFD (1st Level) of Social Networking Site shows how the system is divided into sub-systems (processes). The 2nd Level DFD contains more details of Social Network, Videos, Photos, Shares, Posts, Friends, Users.

Low level functionalities of Social Networking Site

  • Admin logins to the system and manage all the functionalities of Social Networking Site
  • Admin can add, edit, delete and view the records of Users, Posts, Photos, Social Network
  • Admin can manage all the details of Friends, Shares, Videos
  • Admin can also generate reports of Users, Friends, Posts, Shares, Photos, Videos
  • Admin can search the details of Friends, Photos, Videos
  • Admin can apply different level of filters on report of Users, Shares, Photos
  • Admin can tracks the detailed information of Friends, Posts, Shares, , Photos
Second Level Data flow Diagram(2nd Level DFD) of Social Networking Site
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