How do we instantiate an employee compensation DataFrame with explicit column naming?
Creating a DataFrame by passing a sequence of records alongside a list of string column identifiers.
Unit testing compensation calculators, ETL transformation logic, and departmental metrics pipelines.
schema = ["emp_id", "department", "salary"]
df = spark.createDataFrame([
(1, "Engineering", 95000),
(2, "Analytics", 88000)
], schema)Practice typing production-grade PySpark code for DataFrame Creation with Column Names.