Card 15 / 18: What is considered optional while you define a persistence unit?
A)
persistence.xml configuration file
B)
Entity classes annotated with @Entity
C)
The ORM definition (object relational mapping)
D)
entity manager configuration (e.g. toplink, hibernate)
Answer:
C) The ORM definition (object relational mapping)
D) entity manager configuration (e.g. toplink, hibernate)
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