Again, review the DFDs you developed for the Petrie’s Electronics case (or those given to you by your instructor). Use these DFDs to identify the attributes of each of the six entities listed in this case plus any additional entities identified in your answer. 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. PE FIGURE 7.1 Initial E-R for Petrie’s customer loyalty program.
Unfortunately i cannot post the table but is just the six entities coupon, promotions, customer, product, service, transaction