How to fill null values with 0 in AWS Athena
Question
In Athena, what is the most efficient way to fill null values with 0?
I think I can use Case statement, but I am also curious if there are other ways to do it.
1 answers
solution1
7 ACCPTED 2021-01-28 23:01:49
We can use coalesce , here is Presto documentation on conditions which is what Athena is built on.
select coalesce(myColumn, 0) from my_table_name
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