Faster SQL: Adaptive Query Execution in Databricks
Earlier this year, Databricks wrote a blog on the whole new Adaptive Query Execution framework in Spark 3.0 and Databricks Runtime 7.0. The…
Adaptive Query Execution: Speeding Up Spark SQL at Runtime
This is a joint engineering effort between the Databricks Apache Spark engineering team — Wenchen Fan, Herman van Hovell and MaryAnn Xue —…
SQL Pivot: Converting Rows to Columns
UPDATED 11/10/2018 Pivot was first introduced in Apache Spark 1.6 as a new DataFrame feature that allows users to rotate a table-valued expression…
