Question: Figure 2-27 shows two diagrams (A and B), both of which are legitimate ways to represent that a stock has a history of many prices.

Figure 2-27 shows two diagrams (A and B), both of which are legitimate ways to represent that a stock has a history of many prices. Which of the two diagrams do you consider a better way to model this situation and why?

STOCK Stock ID {Price History (Price, Effective Date)} STOCK Stock ID STOCK PRICE Effective Date Price

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