Data Virtualization with PolyBase by Kevin Feasel

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PolyBase is Microsoft's data virtualization technology, allowing you to integrate SQL Server with external systems such as Hadoop and Azure Blob Storage. As of SQL Server 2019, PolyBase also allows you to connect to diverse systems such as Oracle, MongoDB, Cosmos DB, Teradata, Apache Spark, and even other SQL Server instances. In this talk, we will walk through the mechanics of PolyBase, showing how we can write T-SQL queries to access data from heterogeneous sources. We will investigate the Dynamic Management Views (DMVs) and other resources needed to tease out what the PolyBase engine is doing behind the scenes and where to go when things break down. Finally, we will look at several interesting use cases for PolyBase in the modern data environment.

Kevin Feasel is a Microsoft Data Platform MVP and Engineering Manager of the Predictive Analytics team at ChannelAdvisor, where he specializes in T-SQL and R development, fighting with Kafka, and pulling rabbits out of hats on demand. He is the lead contributor to Curated SQL ( and author of PolyBase Revealed (forthcoming). A resident of Durham, North Carolina, he can be found cycling the trails along the triangle whenever the weather's nice enough.

Note: This will also be live streamed at .