PySpark Examples - User Defined Function (UDF) - Spark SQL

Spark SQL - User Defined Function UDF User-Defined Functions (UDFs) are user-programmable functions that act on one row of Dataframe/Dataset. You can create a normal function in programming language and then convert it into UDF and use in Spark transformations. #pyspark #spark #python #sparksql #dataframe #udf #user#defined#function