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Question ID 4616

If a Persistence application locks entity x with a pessimistic lock, which statement is true?
 

Option A

A.    The Persistent provider will lock the database row(s) that correspond to all persistent fields of properties of an instance, including element collections.
 

Option B

B.    Only single table per class hierarchy mapping is supported with this lock type.
 

Option C

C.    A Persistence provider will lock the entity relationships for which the locked entity contains the foreign key.
 

Option D

D.    A separate lock statement must be called for each subclass in entity hierarchy.
 

Correct Answer C
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Update Date and Time 2016-03-08 07:40:23