Data Store (Azure Storage)
After the data is stream processed, it is stored within a persistent data store, either as raw data received from devices, or in the form of processed data. Within Azure, there are multiple options available for storage, such as Azure Storage, Azure SQL Database, Azure Data Lake, and Azure CosmosDB. Each type of storage has a different purpose, such as Azure SQL Database is for storing and querying relational data, Azure Data Lake is a big data storage solution that provides a data analytics capability, and Azure CosmosDB is a schema--agnostic database engine. Out of this choice of storage services, we will use Azure CosmosDB DocumentDB API to store data in the form of schemaless JSON documents. Also, in the context ...
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