Jan 13, 2020 in Big Data | Hadoop
Q: What is a DataFrame in Spark SQL?

1 Answer

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Jan 13, 2020

A DataFrame in SparkSQL is a Dataset organized into names columns. It is conceptually like a table in SQL.

In Java and Scala, a DataFrame is a represented by a DataSet of rows.

We can create a DataFrame from an existing RDD, a Hive table or from other Spark data sources.

 

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