Checkout this 1 hour Podcast to get a familiarity with Azure Cosmos DB, a NoSQL Service from Microsoft Azure. A live event session will be coming on Wed 25th Aug 2021, 8PM IST. https://www.meetup.com/cloud-computing/events/280194877/

References

Azure Cosmos DB Resource Models

https://docs.microsoft.com/en-us/azure/cosmos-db/account-databases-containers-items

Partitioning & Horizontal Scaling 

https://docs.microsoft.com/en-us/azure/cosmos-db/partitioning-overview

Plan and Manage Costs of Azure Cosmos DB

https://docs.microsoft.com/en-us/azure/cosmos-db/plan-manage-costs

Provisioned Quotas

https://docs.microsoft.com/en-us/azure/cosmos-db/concepts-limits

Consistency Level in Azure Cosmos DB

https://docs.microsoft.com/en-us/azure/cosmos-db/consistency-levels