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Author Question: Each instance of a weak entity must participate in one instance of the identifying relationship. ... (Read 102 times)

futuristic

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on: Jul 7, 2018
Each instance of a weak entity must participate in one instance of the identifying relationship.
 
  Indicate whether the statement is true or false

Question 2

What is a nested query?
 
  What will be an ideal response?


itsakadoozi

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

TRUE

Answer to Question 2

In some cases, a query may contain another query (or queries). A query that is used within
another query is called a nested query.


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