Spark SQL Map functions – complete list
In this article, I will explain the usage of the Spark SQL map functions map(), map_keys(), map_values(), map_contact(), map_from_entries() on DataFrame…
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October 6, 2019
In this article, I will explain the usage of the Spark SQL map functions map(), map_keys(), map_values(), map_contact(), map_from_entries() on DataFrame…
Spark SQL StructType & StructField classes are used to programmatically specify the schema to the…
In Spark withColumnRenamed() is used to rename one column or multiple DataFrame column names. Depends…