Additional Spark Functions (Bonus)

There are quite a few more Spark functions that haven't been covered in the previous exercises. Have a quick browse (this is more of an FYI), just to get familiarised with it:

• na.drop
• na.fill
• replace
• array_contains
• to_date
• stddev
• variance
• mean
• regexp_replace
• regexp_extract
• coalesce
• UDF

More Advanced Functions

• cache
• unpersist
• createOrReplaceGlobalTempView
• createOrReplaceTempView