Database - ER Model and Business Rules - Discussion

Discussion :: ER Model and Business Rules - General Questions (Q.No.1)


An action assertion must include which of the following?

[A]. Anchor object
[B]. Action
[C]. Corresponding object
[D]. All of the above.

Answer: Option D


No answer description available for this question.

Sujith-Spt said: (Jul 31, 2014)  
Assertions - An assertion is a piece of SQL which makes sure a condition is satisfied or it stops action being taken on a database object. It could mean locking out the whole table or even the whole database.

Passer-By said: (Dec 31, 2015)  
Assertion consists of constraints name followed by check followed by condition.

Post your comments here:

Name *:

Email   : (optional)

» Your comments will be displayed only after manual approval.