Azure CosmosDB Item
An Azure Cosmos DB item can represent either a document in a collection, a row in a table, or a node or edge in a graph. It all depends on the API you are using.
Items can have arbitrary schemas in the same container, and they are indexed automatically without using explicit indexes.
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Azure CosmosDB Container
The [[azure-cosmos-db-item]] that you add to the container are automatically grouped into logical partitions, which are distributed across physical partitions, based on the partition key. **The throughput on a container is evenly distributed across the physical partitions**.
Azure Cosmos DB
To use CosmoDB you have to create a [[azure-cosmos-db-account]]. Every account can have one or more [[azure-cosmos-db-database]], each containing one or more [[azure-cosmos-db-container]]. Each container then is a collection of [[azure-cosmos-db-item]].