A developer has created a deep entity class hierarchy with many polymorphic relationships between entitles. Which inheritance strategy, as defined by the inheritanceType enumerated type, will be most performed in this scenario?
A developer is creating an entity which is mapped to a table that has a primary key constraint defined on two character columns and would like to use mapping defaults as much as possible to simplify the code.Which two mapping options can be chosen? (Choose two.)
A developer wants to model the grades for a student as a Map<course, integer>. Assume that Student and Course are entitles, and that grades are modeled by integers.Which of the following two statements are correct? (Choose two)
Consider a persistence application with the following orm.xml:What will be the effect of the above orm.xml?
A developer has created an application managed entity manager.Which statement is correct?
Entity lifecycle callback methods may be defined in which three classes? (Choose three)
