You are setting up a new Cloud Spanner database for a global application. You need to initialize the instance, create a database, and define the schema.

Which TWO statements are true regarding the deployment and initialization of Cloud Spanner? (Select TWO)

Answer options:

You must provision a Spanner instance with a specific node count or processing units before creating a database.

Cloud Spanner automatically scales compute nodes up and down by default based on CPU utilization.

Schema updates in Cloud Spanner do not require downtime.

You can change a regional Spanner instance to a multi-regional instance after creation.

Cloud Spanner uses standard PostgreSQL syntax exclusively.

How to approach this question

Understand the architecture and schema management of Cloud Spanner.

Full Answer

In Cloud Spanner, you first create an Instance (which defines the region/multi-region config and compute capacity via nodes/processing units). Then you create Databases within that instance. A key feature of Spanner is that schema updates (like adding columns) are performed online without downtime.

Common mistakes

Assuming Spanner auto-scales out of the box, or that you can change a regional instance to multi-regional later.

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