A 3-day bug hunt on a 3-person team costs up to €7,200 in lost engineering time. This workshop teaches you to prevent that — unit tests, data tests, and integration tests for PySpark and Databricks Lakeflow, including Spark Declarative Pipelines.
Apache Spark SQL provides advanced analytics features that we can find in more classical OLAP-based workloads. Below I'll explain one of them.
