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Your organization is currently updating an existing corporate application that is running in another public cloud to access managed database services in Google Cloud. The application will remain in the other public cloud while the database is migrated to Google Cloud. You want to follow Google-recommended practices for authentication. You need to minimize user disruption during the migration. What should you do?
You are configuring a brand new PostgreSQL database instance in Cloud SQL. Your application team wants to have an optimal and highly available environment with automatic failover to avoid any unplanned outage. What should you do?
You are designing a database architecture for a global application that stores information about public parks worldwide. The application uses the database for read-only purposes, and a centralized batch job updates the database nightly. You want to select an open source, SQL-compliant database. What should you do?
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You have a Cloud SQL instance (DB-1) with two cross-region read replicas (DB-2 and DB-3). During a business continuity test, the primary instance (DB-1) was taken offline and a replica (DB-2) was promoted. The test has concluded and you want to return to the pre-test configuration. What should you do?
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Your company is using Cloud SQL for MySQL with an internal (private) IP address and wants to replicate some tables into BigQuery in near-real time for analytics and machine learning. You need to ensure that replication is fast and reliable and uses Google-managed services. What should you do?
You use Python scripts to generate weekly SQL reports to assess the state of your databases and determine whether you need to reorganize tables or run statistics. You want to automate this report but need to minimize operational costs and overhead. What should you do?
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Question 110 - Professional Cloud Database Engineer discussion

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Your organization needs to migrate a critical, on-premises MySQL database to Cloud SQL for MySQL. The on-premises database is on a version of MySQL that is supported by Cloud SQL and uses the InnoDB storage engine. You need to migrate the database while preserving transactions and minimizing downtime. What should you do?

A.
Use Database Migration Service to connect to your on-premises database, and choose continuous replication. After the on-premises database is migrated, promote the Cloud SQL for MySQL instance, and connect applications to your Cloud SQL instance.
Answers
A.
Use Database Migration Service to connect to your on-premises database, and choose continuous replication. After the on-premises database is migrated, promote the Cloud SQL for MySQL instance, and connect applications to your Cloud SQL instance.
B.
Build a Cloud Data Fusion pipeline for each table to migrate data from the on-premises MySQL database to Cloud SQL for MySQL. Schedule downtime to run each Cloud Data Fusion pipeline. Verify that the migration was successful. Re-point the applications to the Cloud SQL for MySQL instance.
Answers
B.
Build a Cloud Data Fusion pipeline for each table to migrate data from the on-premises MySQL database to Cloud SQL for MySQL. Schedule downtime to run each Cloud Data Fusion pipeline. Verify that the migration was successful. Re-point the applications to the Cloud SQL for MySQL instance.
C.
Pause the on-premises applications. Use the mysqldump utility to dump the database content in compressed format. Run gsutil --m to move the dump file to Cloud Storage. Use the Cloud SQL for MySQL import option. After the import operation is complete, re-point the applications to the Cloud SQL for MySQL instance.
Answers
C.
Pause the on-premises applications. Use the mysqldump utility to dump the database content in compressed format. Run gsutil --m to move the dump file to Cloud Storage. Use the Cloud SQL for MySQL import option. After the import operation is complete, re-point the applications to the Cloud SQL for MySQL instance.
D.
Pause the on-premises applications. Use the mysqldump utility to dump the database content in CSV format. Run gsutil --m to move the dump file to Cloud Storage. Use the Cloud SQL for MySQL import option. After the import operation is complete, re-point the applications to the Cloud SQL for MySQL instance.
Answers
D.
Pause the on-premises applications. Use the mysqldump utility to dump the database content in CSV format. Run gsutil --m to move the dump file to Cloud Storage. Use the Cloud SQL for MySQL import option. After the import operation is complete, re-point the applications to the Cloud SQL for MySQL instance.
Suggested answer: A

Explanation:

https://cloud.google.com/database-migration/docs/mysql/configure-source-database

To migrate the database while preserving transactions and minimizing downtime, you should use Database Migration Service. This service will allow you to migrate the database in a way that is transparent to your users and applications. It will also allow you to test the migration before you make it live, so that you can be sure that everything will work as expected.

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asked 18/09/2024
Ahti Paju
34 questions
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