Petrie’s electronics case questions solutions chapter 7

 

attachments mentioned in the questions are attached but I have already completed the diagram and only need answers to the specific questions listed below.  the diagram is attached as diagramver2

 

COMPLETED IN THE ATTACHED DIAGRAM 

 

Again, review the DFDs you developed for the Petrie’s Electronics case. (I have placed the 3 level 1 diagrams in the Project Workbook  – Week 3 folder in doc sharing, use your homework solution is attached, week 3 figure 6-2 visio document for the Record Customer Activities level 1) .

 Use these DFDs to identify the attributes of each of the six entities listed in this case, using Figure PE Figure 7-1 on page 230; I have also placed the Visio diagram in doc sharing, Project Workbook – Week 4).

 

SEE THE ATTACHED DIAGRAMVER2 then Write an unambiguous definition for each attribute. Then, redraw PE Figure 7-1 by placing the six (and additional) entities in this case on the diagram along with their associated attributes.

 

need the following completed for this assignment:

List at least 2 attributes for each of the six entities and describe then in a short sentence or bullet statement.  Then redraw PE Fig 7-1 to look like figure 7-21 on page 223.

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