24. union() & unionAll() in PySpark | Azure Databricks #spark #pyspark #azuredatabricks #azure

In this video, I discussed about union() & unionAll() functions in pyspark which is used to merge rows from dataframe.

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[mnnbbvv]

i am getting this error---> AttributeError: 'NoneType' object has no attribute 'distinct' while getting distinct values by applying
df3.distinct().show()

[mohitupadhayay]

What's the purpose if both are same functionality?

[premanandramasamy]

[Commenting on Jul 24] As per latest version, I think Unionall is not available right? So union works as UnionAll in spark. Kindly suggest.