Spark Sql Inner Join

In this blog, we will understand how to join 2 or more Dataframes in Spark. Inner Join in Spark works exactly like joins in SQL. […]

ArrayType Column in Spark SQL

Apart from the basic Numeric, String, Datetime etc datatypes , Spark also has ArrayType Column in Spark SQL. This Type is not limited to only […]

Spark Read JSON file

In this blog we will understand how to read a Json file using Spark and load it into a dataframe. All the code examples is […]

Scala String

Scala String is a sequence of characters. It is immutable object which means it cannot be changed once created. In this blog we will look […]