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A UDF extends Spark SQL's DSL vocabulary for transforming DataFrames by defining a new ____-based function

36. A UDF extends Spark SQL's DSL vocabulary for transforming DataFrames by defining a new ____-based function.

1. Row
2. Column
3. Tuple
4. None

Answer: B) Column

Explanation:

A UDF extends Spark SQL's DSL vocabulary for transforming DataFrames by defining a new column-based function.