You need multi-item ACID transactions with snapshot isolation within a partition for your cloud-based application. Which NoSQL databse do you choose?

Ou need to control your application's batch updates destination for your Bigtable multinode cluster. Which action do you take?

Polyglot storage mean using multiple types of what in the same application?

Your query to verify that your Redis key is configured to support expiring user information on a defined interval returns -2, What does this value indicate?

You are designing a MongoDB schema to support queries that will include lookups. What should you do?

What is the aggregation operator for a join concept in MongoDB?

You need to create a scalable database that allows you to query data nodes and edges efficiently. What do you use?

SQL databses and NoSQL are which types of scalable?

Which two types of indexes are available in Cosmos DB?

You want to connect a DynamoDb stream to an AWS lamdba function. Which one of these object do you create.

You need to create a pub/sub server. Which databse do you use?