DATABRICKS-SPARK Question 8

Question

Given df has columns id, name, age, which code returns only the id and age columns cast to Long and Integer respectively?
A. df.select(F.col('id').cast('long'), F.col('age').cast('int'))
B. df.alias('id', 'long').alias('age', 'int')
C. df.cast('id', 'long').cast('age', 'int')
D. df.select(F.cast('id','long'), F.cast('age','int'))

Accepted Answer

Marked answer: A. df.select(F.col('id').cast('long'), F.col('age').cast('int'))

DATABRICKS-SPARK Question 8

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DATABRICKS-SPARK Question 8

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