Discuss Microsoft DP-300 Exam Topic 7 Question 25

You have a Microsoft SQL Server 2019 instance in an on-premises datacenter. The instance contains a 4-TB database named DB1.

You plan to migrate DB1 to an Azure SQL Database managed instance.

What should you use to minimize downtime and data loss during the migration?

D18912E1457D5D1DDCBD40AB3BF70D5D

Adistributed availability groups

Bdatabase mirroring

Clog shipping

DDatabase Migration Assistant

Suggested Answer: A

The Data Migration Assistant (DMA) helps you upgrade to a modern data platform by detecting compatibility issues that can impact database functionality in your new version of SQL Server or Azure SQL Database. DMA recommends performance and reliability improvements for your target environment and allows you to move your schema, data, and uncontained objects from your source server to your target server.

Note: SQL Managed Instance supports the following database migration options (currently these are the only supported migration methods):

Azure Database Migration Service - migration with near-zero downtime.

Native RESTORE DATABASE FROM URL - uses native backups from SQL Server and requires some downtime.

https://docs.microsoft.com/en-us/sql/dma/dma-overview

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11 comments · newest first

Paris 12 months ago

Mirroring is outdated, I wouldn't recommend it for this migration.

Casie 1 year ago

Wait, can you really use distributed availability groups for Azure SQL? Sounds tricky!

Catherin 1 year ago

Database Migration Assistant is great for assessment, but not for minimizing downtime.

Franchesca 1 year ago

I disagree, log shipping might be simpler for this size.

Paris 1 year ago

I think distributed availability groups are the best option here.

Brandee 1 year ago

Database mirroring sounds familiar, but I’m uncertain if it’s the right fit for migrating to Azure SQL Database. I need to double-check that.

Winfred 1 year ago

I feel like distributed availability groups could be a good option, but I can't recall all the details about how they work in this context.

Jacinta 1 year ago

I remember practicing with log shipping in a similar question, but it seems like it might not be the best choice for minimizing downtime during a migration.

Florinda 1 year ago

I think we might need to consider the Database Migration Assistant for this one, but I'm not entirely sure if it minimizes downtime effectively.

Josephine 1 year ago

Okay, I think I've got a good handle on this. The key is finding a solution that can handle the email volume and provide the necessary tracking capabilities.

Dorinda 1 year ago

Hmm, I'm not entirely sure about this. I'll have to review the ASSUMETARGETDEFS documentation again.

Microsoft DP-300 Exam - Topic 7 Question 25 Discussion