In E-R model, Y is the dominant entity and X is the subordinate entity – McqOptions

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1.	In E-R model, Y is the dominant entity and X is the subordinate entity.
A.	If X is deleted then Y is also deleted.
B.	If Y is deleted then X is also deleted.
C.	If Y is deleted then X is not deleted.
D.	none of the above
Answer» C. If Y is deleted then X is not deleted.

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