Oracle
1Z0-860 · Question #37
1Z0-860 Question #37: Real Exam Question with Answer & Explanation
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Question
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.)
Options
- AUse an @ld property that constructs a private field as a concatenation of two columns.
- BUse a separate class to map those two columns and use an @ldClass annotation to denote the primary
- CUse a separate @Embeddable class to map those two columns and use an @Embeddedld annotation
- DUse a separate @Embeddable class to map those two columns and add two fields or properties to the
- EUse a separate class to map those two columns. Specify that class using @ldClass annotation on the
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