Storage
Cloud Storage
- Classes
- Standard storage: hot data
- Nearline storage : once per month
- Coldline storage: once every 90 days
- Archive storage: once per year
SQL
- Fully managed relational databases, including MySQL, PostgreSQL, and SQL Server as a service
Cloud Spanner
- Fully managed relational database service that scales horizontally, is strongly consistent, and speaks SQL
Firestore
- Is a flexible, horizontally scalable, NoSQL cloud database for mobile, web, and server development
- Data is stored in documents and then organized into collections
Cloud Bigtable
- Is NoSQL Big data database service.
When to use ?
Source: cloudskillsboost