Tidy Data And Normalization

In Hadley Wickham's paper on tidy data, he makes a few points that I really appreciated. Data sets are made up of variables and observations.  In the database world, we'd call variables attributes and observations entities.  In the spreadsheet world, we'd call variables/attributes columns and observations/entities rows. Each variable contains all values which measure the…

T-SQL Tuesday 95: Polybase And HDInsight

Today is T-SQL Tuesday #95, hosted by Derik Hammer, and the topic is Big Data. This is a continuation of my Polybase series.  If you haven't seen this already, I have a twenty-some part series on Polybase in SQL Server 2016 and now SQL Server 2017.  Polybase hasn't changed with the RTM release of SQL Server…