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Merits of Logical Data Flow Diagram
There are certain \benefits of logical data flow diagrams. Logical data flow diagram presents business information focusing on different business activities which enhances the communication and the performance of the communication tool when it is used the project users. It is developed based on business events where physical arrangements or particular technological resources are not required. It enhances the stability of the resulting system. Logical data flow diagram also helps the analysts to understand the fact that the business has been studied upon intricately and it also supports in identifying the fundamental reasons behind the implementation plans.
The system which is implemented on the logical data flow diagram can be maintained easily because business activities do not get frequently changed. Logical data flow diagram does not include any data store. It only contains a database which makes logical data flow diagrams less complex as compared to that of a physical data flow diagram. Moreover, the logical data flow diagram is much easier to get developed. Physical data flow diagrams can be formed by making certain modifications in a logical data flow diagram. Now our experts from assignment help will tell you about the merits of physical flow diagram.
Merits of Physical Data Flow Diagram
There are certain benefits of physical data flow diagrams. Physical data flow diagram clarifies the manually developed processes and the processes which are automated in nature. Manual processes demand detailed documentation. On the other hand, an automated process can be developed with the help of a computer program. Physical data flow diagrams provide details information about the processes including every step of processing the data. It also provides sequential information of the processes which helps in understanding the sequence of business activities appropriately. Physical data flow diagrams help in identifying the data storage which is temporary.
Temporary data storage includes a sales transaction file and a report on customer receipts. It also specifies actual file names and printouts. It also describes actual reports and filenames and helps the programmers to relate such data with data dictionary while they develop the system. It adds more control to enhance the efficiency of the performance of the processes. There are certain validations or conditions of data which are required to be met during the process of input, delete, update, and other data processing activities. This was just a short article, for more information in detail, you can check with Assignment Help Online.
September 18, 2019- -
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