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Author Question: Describe the update restrict option (for implementing a referential integrity constraint). What ... (Read 24 times)

CORALGRILL2014

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on: Jul 7, 2018
Describe the update restrict option (for implementing a referential integrity constraint).
 
  What will be an ideal response?

Question 2

What is database recovery?
 
  What will be an ideal response?


ErinKing

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

The update restrict option does not allow the primary key value of a record to be changed if its primary key value is referred to by a foreign key value.

Answer to Question 2

Database recovery refers to recovering the content of the database after a failure.


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