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Hotel Management System Data Flow Diagram | Best Data Flow Diagram (DFD) 2021
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Hotel Management System Data Flow Diagram | Best Data Flow Diagram (DFD) 2021

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Here’s what you need to know.
The Data Flow Diagram (DFD) represents the flow of data and the transformations in Hotel management system. These transformations occurs as data enters and exits a system.

In the DFD, input, processing, and output are used to represent and define the overall system.

The following are the flows that the Hotel Management System can generate:
Managing Customers
Assigning Rooms
Managing Employees
Facilitates Reservation
Manage Transactions

DFD for Hotel Management System Level 0
To start with, let us familiarize what is Hotel management system level 0.

The hotel management system level 0 is also known as context diagram. It’s supposed to be an abstract view, with the mechanism represented as a single process with external parties.

This DFD for the system depicts the overall structure as a single bubble. It comes with incoming/outgoing indicators showing input and output data.

In this data flow diagram you will see the general process done in Hotel management. This will also serve as a guide as you go through the deeper processes of the Hotel management system data flow diagrams.

As you see, when you build the levels of data flow diagrams, the connections of the transactions and data also broadens and gets more specific.

DFD for Hotel Management System Level 1
Next to the context diagram is the level 1 data flow diagram.

The content of Hotel management system DFD level 1 must be single process node from the context diagram and is broken down into sub processes

In this level, the system must display or reveal further processing information. And the actors that are going to use this system were the customers , hotel administrator and the hotel employees.

The following are essential data to accommodate:
• Customer Information
• Employees Information
• Rooms
• Reservation

These procedures require information such as a list of customers, rooms, employees and facilities from which served as the bases for admin to manage hotel transactions. This type of data is represented by a data store.

With being knowledgeable about the DFD level 1 of the Hotel Management System, you will know then its broaden context terms.

In addition to that, this may also serve as your reference on how the inputs or data fed on the system. Then you will be also informed about the outputs that the system gives.

These processes shown in the DFD were all based on the concept of Hotel Management System.

DFD for Hotel Management System Level 2
After presenting the Hotel management system DFD levels 0 and 1, next to that is level 2.

Here’s what you need to consider in creating data flow diagram level 2 for Hotel management system.
• The Level 2 DFD for the system should represent the basic modules as well as data flow between them.
• Since the DFD level 2 is the highest abstraction level, its Hotel management system processes must be detailed that is based on the DFD level 1.

Finally, after figuring the processes given in the system, the user will now have their request being processed.

The Processes that the system should prioritize are as follows:
• Managing Clients
• Assigning Rooms
• Managing Employees
• Facilitates Reservation
• Manage Transactions

DFD level 2 let’s you know the ideas on where does the data inputs goes and inputs comes within the Hotel management system. Considering the the data flow levels mentioned above, you can determine well the importance of breaking the processes into more specific manner.

The presented level not only shows you the detailed processes of system, but also gives you precise destination of the data that flows in the system.

This DFD will also be your references as you make your own management system DFD levels 0, 1 and 2.
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