A 3-day bug hunt on a 3-person team costs up to β¬7,200 in lost engineering time. This workshop teaches you to prevent that β unit tests, data tests, and integration tests for PySpark and Databricks Lakeflow, including Spark Declarative Pipelines.
Spark SQL reading from RDBMS is based on classic JDBC drivers. Thus it supports some of their options, as fetchsize described in sections below.
