In a supertype-subtype structure, discriminator attributes ________
A) are easily represented in a relational design
B) cannot be represented in a relational design
C) require application logic to determine which subtypes correspond to a specific supertype instance
D) Both B and C are correct
D
You might also like to view...
Which of the following statements is true of the selling concept?
A) It requires minimum promotion efforts. B) It creates long-term, profitable customer relationships. C) It takes an outside-in perspective. D) It is typically practiced with unsought goods. E) It follows the customer-centered sense-and-respond philosophy.
Horizontal marketing systems are channel systems in which the whole channel focuses on the same target market at the end of the channel.
Answer the following statement true (T) or false (F)
If a person owes $50,000 at 10 percent and annually pays $10,000, the loan will be retired in 5 years.?
Answer the following statement true (T) or false (F)
José is launching a management consulting business. What three steps would you recommend to José as he embarks on business planning?
What will be an ideal response?