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.
Data in Apache Parquet files is written against specific schema. And who tells schema, invokes automatically data types for the fields composing this schema.
