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Exam 1z0-900 topic 1 question 21 discussion

Actual exam question from Oracle's 1z0-900
Question #: 21
Topic #: 1
[All 1z0-900 Questions]

Given the code fragments:

Which action completes this composite primary key implementation?

  • A. Add @IdClass annotation at line 1.
  • B. Add @Embeddable annotation at line 1 and replace both @Id annotations with @EmbeddedId annotations.
  • C. Add @IdClass(ContactId.class) annotation at line 2.
  • D. Add @Embeddable annotation at line 1 and @EmbeddedId(ContactId.class) at line 2.
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Suggested Answer: D 🗳️

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ciellaf5
Highly Voted 2 years, 10 months ago
Correct C
upvoted 6 times
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orjava
Most Recent 7 months ago
Answer C
upvoted 2 times
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