Problem: How to define Spark DataFrame using the nested array column (Array of Array)? Solution: Using StructType we can define an Array of Array (Nested Array) ArrayType(ArrayType(StringType)) DataFrame column using…
Problem: How to flatten the Array of Array or Nested Array DataFrame column into a single array column using Spark. Solution: Spark SQL provides flatten function to convert an Array…
Problem: How to flatten the Array of Array or Nested Array DataFrame column into a single array column using Spark. Solution: Spark SQL provides flatten function to convert an Array…
Problem: How to explode & flatten the Array of Array (Nested Array) DataFrame columns into rows using Spark. Solution: Spark explode function can be used to explode an Array of…