Q 1 A- design the physical DFD level 1 for the following system. B- convert the above diagram to level 0 (context diagram).

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Q 1
A- design the physical DFD level 1 for the following system.
B- convert the above diagram to level 0 (context diagram).
"In a video rental store the secretary receives a request from the
customer to rent a movie then she saves the rent information in the
rental file and gives the customer the bill.
When the customer returns the video the secretary puts it in the video
library file and signs the bill before returning it to the customer and
finally return the rental information to the rental file.
The manager wants a final report of all videos that have been rented so
the secretary generates that report from the information in the rental file".
Transcribed Image Text:Q 1 A- design the physical DFD level 1 for the following system. B- convert the above diagram to level 0 (context diagram). "In a video rental store the secretary receives a request from the customer to rent a movie then she saves the rent information in the rental file and gives the customer the bill. When the customer returns the video the secretary puts it in the video library file and signs the bill before returning it to the customer and finally return the rental information to the rental file. The manager wants a final report of all videos that have been rented so the secretary generates that report from the information in the rental file".
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