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Google Professional Cloud Database Engineer Exam - Topic 11 Question 69 Discussion

You want to migrate your PostgreSQL database from another cloud provider to Cloud SQL. You plan on using Database Migration Service and need to assess the impact of any known limitations. What should you do? (Choose two.)
C) Identity all tables that do not have at least one foreign key. and E) Identify whether the source database uses customer-managed encryption keys (CMEK).
A) Identify whether the database has over 512 tables.
B) Identify all tables that do not have a primary key.
D) Identify whether the source database is encrypted using pgcrypto extension.

Google Professional Cloud Database Engineer Exam - Topic 11 Question 69 Discussion

Actual exam question for Google's Professional Cloud Database Engineer exam
Question #: 69
Topic #: 11
[All Professional Cloud Database Engineer Questions]

You want to migrate your PostgreSQL database from another cloud provider to Cloud SQL. You plan on using Database Migration Service and need to assess the impact of any known limitations. What should you do? (Choose two.)

Show Suggested Answer Hide Answer
Suggested Answer: C, E

by Cherri at Apr 09, 2026, 02:33 AM

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Tamekia
4 days ago
D and E are good too, especially for security.
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Willard
9 days ago
C seems less critical to me.
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Sue
14 days ago
I agree, but A is also important for performance.
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Shaniqua
19 days ago
No primary key can cause issues during migration.
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Yuette
24 days ago
Why B?
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Shaniqua
30 days ago
I think A and B are crucial.
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Wynell
1 month ago
I disagree with B); not all tables need a primary key, right?
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Haydee
1 month ago
E) is a must if you're into security!
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Elenor
2 months ago
Wait, does anyone actually use pgcrypto for encryption?
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Blondell
2 months ago
I think C) is less critical, but still worth a look.
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Katie
2 months ago
A) and B) are definitely important to check.
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Alyce
2 months ago
Are we sure about the importance of CMEK? Seems a bit overkill.
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Dong
2 months ago
D) is a must if you're using encryption, for sure.
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Artie
2 months ago
Wow, I didn't know about the 512 tables limit!
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Clemencia
4 months ago
I think C) is less critical, though.
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Josephine
4 months ago
A) and B) are definitely important to check.
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Alishia
5 months ago
I feel like we discussed foreign keys in class, but I’m not certain if they were a requirement for this migration process.
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Catalina
5 months ago
I vaguely recall something about encryption and CMEK, but I can't remember if they were relevant for migration.
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Josue
5 months ago
I think we practiced a question where identifying tables without primary keys was important. That might be one of the answers.
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Dexter
5 months ago
I remember something about limitations with tables, but I'm not sure if it's specifically about the number of tables or primary keys.
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