Accessing external data sources using PolyBase

PolyBase allows your SQL Server instance to access data outside of the server/database using T-SQL. In SQL Server 2016, you can run queries on external data in Hadoop or import data from Azure Blob Storage:

Figure 10.8: PolyBase concept (source:

In this section, we'll use a similar dataset as in the previous section, represented as CSV files in Azure Blob Storage. These CSV files represent the EMS incidents, which will be exposed as an external table in SQL Server. The goal for this walk-through is to understand ...

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