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PYSPARK โ€ข LESSON 09

DataFrame Creation with Column Names

How do we instantiate an employee compensation DataFrame with explicit column naming?

Beginnerโฑ 2 Minutesโญ 130 XP
๐Ÿค” THE QUESTION

How do we instantiate an employee compensation DataFrame with explicit column naming?

๐Ÿ’ก WHAT IS IT?

Creating a DataFrame by passing a sequence of records alongside a list of string column identifiers.

๐ŸŽฏ WHAT IS IT USED FOR?

Unit testing compensation calculators, ETL transformation logic, and departmental metrics pipelines.

๐Ÿ’ป EXAMPLE
schema = ["emp_id", "department", "salary"]
df = spark.createDataFrame([
    (1, "Engineering", 95000),
    (2, "Analytics", 88000)
], schema)

๐ŸŽฏ Mission Objectives

Practice typing production-grade PySpark code for DataFrame Creation with Column Names.

  • โœ“ Define structured column schemas
  • โœ“ Pass employee records to createDataFrame
  • โœ“ Create validated test DataFrame