Azure CosmosDB provides ODBC driver that enables you to query CosmosDB collections like classic databases. In this post you will see how to query CosmosDB collections from Sql Server using Transact-Sql. Why querying CosmosDB from SQL Server? Cosmos DB enables you to store documents and other non-relational types of data and provides SQL/API that enables... Read more

https://blogs.msdn.microsoft.com/sqlserverstorageengine/2019/03/11/running-azure-cosmosdb-queries-from-sql-server-using-odbc-driver/