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Answer: Cloud Spanner
The correct answer is A: Cloud Spanner. Given that JencoMart's User Profiles database is currently an Oracle Database with a complex table structure and a size of 20 TB, Cloud Spanner is the most suitable option. Cloud Spanner is a fully managed, scalable, and globally distributed relational database service. It provides strong consistency, high availability, and supports complex transactional workloads, which makes it ideal for migrating an existing complex relational database like the one JencoMart uses. While Google Cloud Datastore is also mentioned as an option for user profiles, it is more suitable for simpler, NoSQL databases and may require significant architectural changes. Cloud SQL could be considered, but it might struggle with the scale and complexity of the existing Oracle Database. Therefore, Cloud Spanner is the best fit considering the requirements.
Author: LeetQuiz Editorial Team
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JencoMart, a global retailer with a mixed sales model of physical stores and online sales, plans to migrate several critical applications to the Google Cloud Platform. They have a User Profiles database currently stored in an Oracle Database with 20 TB storage and complex table structures. The database is well-maintained, with a strong backup strategy. Additionally, JencoMart aims to reduce their on-premises footprint and financial impact. Which Google Database should they use to migrate their User Profiles database?
A
Cloud Spanner
B
Google BigQuery
C
Google Cloud SQL
D
Google Cloud Datastore
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