© Benjamin Weissman and Enrico van de Laar 2019
Benjamin Weissman and Enrico van de LaarSQL Server Big Data Clusters https://doi.org/10.1007/978-1-4842-5110-2_5

5. Querying Big Data Clusters Through T-SQL

Benjamin Weissman and Enrico van de Laar2
(1)
Nurnberg, Germany
(2)
Drachten, The Netherlands
 
Now that we have some data to play with, let’s look at how we can process and query that data through the multiple options provided through Azure Data Studio.

External Tables

Querying a Big Data Cluster using T-SQL happens through external tables, a concept that was introduced in SQL Server 2016 with the first appearance of PolyBase.
We will start to query our Big Data Cluster by adding some external tables to our new empty database BDC_empty which originally ...

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