how to fill null values and drop null values in pyspark,sql and scala
Briefly

from Medium11 months ago
PySpark, SQL, and Scala offer methods to handle null values, including filling them with specified values and dropping rows or columns with null values.
Mediumhttps://aspinfo.medium.com/how-to-fill-null-values-and-drop-null-values-in-pyspark-sql-and-scala-8cc1f52c95ef
In PySpark, null values in a column can be filled using withColumn() and when() functions, or dropped using dropna().
Mediumhttps://aspinfo.medium.com/how-to-fill-null-values-and-drop-null-values-in-pyspark-sql-and-scala-8cc1f52c95ef
SQL provides COALESCE() for filling null values in a specific column and WHERE statements for dropping rows with null values.
Mediumhttps://aspinfo.medium.com/how-to-fill-null-values-and-drop-null-values-in-pyspark-sql-and-scala-8cc1f52c95ef
Scala's DataFrame allows filling nulls with fill() and dropna() functions for handling null values.
Mediumhttps://aspinfo.medium.com/how-to-fill-null-values-and-drop-null-values-in-pyspark-sql-and-scala-8cc1f52c95ef
Read at Medium
#pyspark #sql #null-values #data-processing
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