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Author Question: What is a self-JOIN? What will be an ideal response?[br][br][b][color=black]Question ... (Read 47 times)

bio_gurl

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on: Jul 7, 2018
What is a self-JOIN?
 
  What will be an ideal response?

Question 2

To shorten the time it takes to bring a new product to market, collaborative design and product development among the parties in the supply chain is ________.
 
  A) minimal
  B) never done
  C) unlimited
  D) crucial
  E) none of the above


aham8f

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Reply #1 on: Jul 7, 2018
Answer to Question 1

When a relation contains a foreign key referring to its own primary key, such a relation can be joined with itself in a query. Such a join is referred to as a self-JOIN statement.

Answer to Question 2

D


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