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What is DataFrame in Spark | Spark Dataframe tutorial
How to read write CSV file/data in Apache Spark | spark.read.csv | toDF | inferSchema
How to read/write JSON file/data in Apache Spark
How to read write Parquet file data in Apache Spark | Parquet | Apache Spark
How to read/write AVRO file/data in Apache Spark
How to read/write Hive Metastore table in Apache Spark
How to manipulate Date in Spark dataframe|from_unixtime | to_date | current_timestamp | current_date
How to work with DataFrame Columns in Apache Spark | Add/Rename/Drop a Column
Analytical Functions in Spark | GROUP BY | ORDER BY | COUNT | MAX | MIN | AVG | SUM
How to use Windowing Functions in Apache Spark | Window Functions | OVER | PARTITION BY | ORDER BY
How to use Ranking Functions in Apache Spark | RANK | DENSE_RANK | ROW_NUMBER