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Exam Professional Cloud Database Engineer topic 1 question 167 discussion

Actual exam question from Google's Professional Cloud Database Engineer
Question #: 167
Topic #: 1
[All Professional Cloud Database Engineer Questions]

You are migrating your on-premises PostgreSQL database to Spanner. You need to identify a solution for handling existing integer-based table primary keys. You want minimal changes to the applications while also following Google-recommended practices. What should you do?

  • A. Use application generated sequential integer values as primary keys.
  • B. Update default primary key values to max(primary_key) + 1.
  • C. Use a UUID function that generates UUID Version 4 values as primary keys.
  • D. Generate values by using BIT_REVERSED_POSITIVE sequences.
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Suggested Answer: D 🗳️
by Sai_Vignesh at Aug. 7, 2025, 3:18 a.m.

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Sai_Vignesh
1 week, 1 day ago
Selected Answer: C
This is a tough one. My best educated guess is C.
upvoted 1 times
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