Data flow diagram for Customer Relationship Management System (CRM) is used to create an overview of CRM without going in too much detail. The CRM is used to improve relation between any company and its customer.
The overall Customer Relationship Management System is represented and described using input, processing and output in DFD. The DFD diagram for Customer Relationship Management System provides information about the inputs and outputs of each process and entity of customer relationship such as customer, employee, job card, job card allocation, service and billing.
Also check: DFD for Hospital Management System
Following are customer relationship management system DFD level 0 1 2. Let us explain each one by one.
Context Level (0 Level) DFD of Customer Relationship Management System
The Zero Level DFD for customer relationship management system depicts the overview of whole customer relationship management process. It is supposed to be an abstract view of overall CRM system. This is also called as context diagram for customer relationship management system in which entire system is represented as single process with its relationship with external entities such as admin, customer, employee etc.
In this data flow diagram, you will see the general process done during CRM.
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First Level Data Flow Diagram (Level 1 DFD) of Customer Relationship Management System
The first level DFD (1st Level) of Customer relationship management system shows more details of processing. Level 1 DFD list all the major sub processes that makes the entire system. It also identifies data store of customer master data that contains all records of customer, employee, service, job card, job card allocation etc. that will be used to during different other process like customer registration, new job cards and billing.
The important process to be carried out are:
- Customer & login
- CRM master
- Job card & Service
- CRM Reports
The level 1 DFD for customer relationship management system provides a broad overview but go into greater depth than context level diagram.
Second Level Data Flow Diagram (2nd Level DFD) of Customer Relationship Management System
Level 2 DFD for customer relationship management system delves even deeper into the concept of Level 1 DFD.
The first level (1st level) DFD of customer relationship management system represents how the system is divided into sub systems and the second level provides more details about job card and employee, such as: create job card, job card allocation, job card service update, job card status and billing.
Following are some functionality of customer relationship management system
- Admin can add, edit and delete CRM master records.
- Admin can add, edit and delete customer record
- Admin can add, edit and delete employee record
- Admin can add, edit and delete job card
- Admin can allocate job card
- Service details can be added, edit and delete in a job card
- Prepare customer service bill
After viewing this level now you will be more clear about where data input goes and from where output data comes. This Level 2 Data Flow Diagram shows you a detailed process of customer relationship management system and also give you a clear view about data that flows into the system.
May this detailed article one customer relationship management system DFD will help you in your project preparation.