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PYSPARK • LESSON 34

SQL-Style Filtering with where()

How do we filter rows using an intuitive SQL predicate string with the where() alias?

Beginner2 Minutes175 XP
🤔 THE QUESTION

How do we filter rows using an intuitive SQL predicate string with the where() alias?

💡 WHAT IS IT?

where() is an exact functional alias to filter(), allowing SQL expression strings for clarity.

🎯 WHAT IS IT USED FOR?

Enabling SQL-fluent engineers to write concise filtering rules without verbose Column syntax.

💻 EXAMPLE
df.where("salary >= 75000").show()

🎯 Mission Objectives

Practice typing production-grade PySpark code for SQL-Style Filtering with where().

  • Use where() alias method
  • Apply SQL comparison predicate
  • Filter high-earning employee records