id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ajema-74	Sharma, Arvind Kumar ; Nair, Kavya 	Test-Driven Enterprise Data Engineering with PySpark and DBT	2023	8	.htm	application/pdf	3318	228	37	Orchestrating PySpark jobs for raw-to-curated transformations PySpark is often the first layer in enterprise data pipelines, responsible for ingesting raw data from distributed sources and applying large-scale transformations such as joins, enrichments, or data standardization. Types of data tests To operationalize TDD in data engineering, a variety of tests can be applied across the pipeline: ➢	cache/ajema-74.htm	txt/ajema-74.txt