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Google Professional Cloud Database Engineer Exam - Topic 8 Question 19 Discussion

Your company wants to migrate its MySQL, PostgreSQL, and Microsoft SQL Server on-premises databases to Google Cloud. You need a solution that provides near-zero downtime, requires no application changes, and supports change data capture (CDC). What should you do?
B) Create a database on Google Cloud, and use database links to perform the migration.
A) Use the native export and import functionality of the source database.
C) Create a database on Google Cloud, and use Dataflow for database migration.
D) Use Database Migration Service.

Google Professional Cloud Database Engineer Exam - Topic 8 Question 19 Discussion

Actual exam question for Google's Professional Cloud Database Engineer exam
Question #: 19
Topic #: 8
[All Professional Cloud Database Engineer Questions]

Your company wants to migrate its MySQL, PostgreSQL, and Microsoft SQL Server on-premises databases to Google Cloud. You need a solution that provides near-zero downtime, requires no application changes, and supports change data capture (CDC). What should you do?

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Suggested Answer: B

by Willard at Aug 31, 2023, 11:08 PM

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Ligia
8 months ago
B seems complicated, I’d stick with D for simplicity.
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Justa
8 months ago
Wait, can we really do this without any app changes? Sounds too good to be true.
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Buck
9 months ago
I think A could work, but not sure about zero downtime.
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Verdell
9 months ago
Totally agree, Database Migration Service is designed for this!
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Verdell
9 months ago
D is the best choice for zero downtime migration.
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Ethan
9 months ago
I recall that Database Migration Service is specifically designed for this kind of task, so it seems like the most straightforward choice.
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Florinda
9 months ago
I think we practiced a similar question where Dataflow was mentioned, but I’m not confident it supports CDC as well as the other options.
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Paul
9 months ago
I'm not entirely sure, but I feel like using native export and import could lead to more downtime, which we want to avoid.
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Heidy
9 months ago
I remember we discussed the importance of minimizing downtime during migrations, so I think Database Migration Service might be the best option here.
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Tarra
9 months ago
Dataflow could be an interesting option, but I'm not sure if it has the same level of database migration capabilities as the dedicated Database Migration Service.
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Howard
10 months ago
I'm a bit confused by the database links approach. That doesn't seem like it would provide the seamless migration they're looking for.
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Dorothy
10 months ago
Database Migration Service sounds like the best option here. It's designed for this exact use case and should meet all the requirements.
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Jannette
10 months ago
Hmm, the native export and import functionality might not work since it doesn't mention supporting CDC. I'll have to think this through.
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Willard
10 months ago
This looks like a tricky question. I'll need to carefully consider the requirements of near-zero downtime, no application changes, and CDC support.
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Cecily
10 months ago
This looks like a straightforward question on Optional usage. I'll carefully read through the code and think through the logic step-by-step.
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Thersa
10 months ago
Hmm, this looks straightforward. I think I can use the LOWER() and LEFT() functions to get the first initial, then concatenate that with the last name and the email domain.
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