Tag: PySpark

PySpark @ Freshers.in

PySpark how to get rows having nulls for a column or columns without nulls or count of Non null

pyspark.sql.Column.isNotNull isNotNull() : True if the current expression is NOT null. isNull() :¬†True if the current expression is null. With…

PySpark @ Freshers.in

PySpark – groupby with aggregation (count, sum, mean, min, max)

pyspark.sql.DataFrame.groupBy PySpark groupby functions groups the DataFrame using the specified columns to run aggregation ( count,sum,mean, min, max) on them….

PySpark @ Freshers.in

PySpark filter : How to filter data in Pyspark – Multiple options explained.

pyspark.sql.DataFrame.filter PySpark filter function is used to filter the data in a Spark Data Frame, in short used to cleansing…

PySpark @ Freshers.in

PySpark-How to create and RDD from a List and from AWS S3

In this article you will learn , what an RDD is ?¬† How can we create an RDD from a…

PySpark @ Freshers.in

How to run dataframe as Spark SQL – PySpark

If you have a situation that you can easily get the result using SQL/ SQL already existing , then you…

PySpark @ Freshers.in

How to get all combination of columns using PySpark? What is Cube in Spark ?

A cube is a multi-dimensional generalization of a two- or three-dimensional spreadsheet. Cube is a shorthand for multidimensional dataset, given…