In Chapter 1, we installed PolyBase for SQL Server 2019. Regardless of whether you chose to install PolyBase as a Scale-Out Group or standalone, we will use that cluster to connect to Azure Blob Storage. In the first part of this chapter, we will create an Azure storage account and upload our data to the account. Then, in the second part of this chapter, we will connect PolyBase to Azure Blob Storage, explaining the critical concepts of external data sources, external file formats, and external tables along the way. After that, we will test a number of queries, showing off the fluid integration ...
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