Google Cloud Professional Data Engineer Exam

What is the primary benefit of using Cloud SQL for transaction management?

1. It provides a fully managed PostgreSQL service.

2. It automatically scales horizontal workloads.

3. It supports complex query running.

4. It is designed for high availability across multiple regions.

The correct answer is: It provides a fully managed PostgreSQL service.

The primary benefit of using Cloud SQL for transaction management lies in its capability as a fully managed relational database service, specifically tailored for databases like PostgreSQL. This service simplifies administrative tasks, allowing users to focus on their applications rather than database maintenance. Being a fully managed service means that Cloud SQL automates routine tasks such as backups, replication, patch management, and scaling. This is particularly advantageous for transactions, which require consistency, durability, and isolation. The underlying technologies of PostgreSQL provide robust support for ACID (Atomicity, Consistency, Isolation, Durability) transactions, making it well-suited for transaction-heavy applications. Furthermore, users can leverage PostgreSQL's rich feature set for transaction management, including support for complex transactions, rollbacks, and concurrent processing. Using Cloud SQL also means that customers get the reliability and performance optimizations inherent to PostgreSQL without needing to manage infrastructure. While automatic scaling and high availability are significant benefits of Cloud SQL, they do not specifically address transaction management efficiency and capabilities as directly as the fully managed aspect does. The capability to run complex queries is also vital for many applications, but it is the inherent transaction management strengths provided by using a managed PostgreSQL service that truly highlight the core benefit in the context of transaction