Postgresql turn null into zero
68,011
Solution 1
select coalesce(max(column), 0) from mytable;
Solution 2
Try:
SELECT coalesce(max(column), 0) myalias FROM mytable;
Solution 3
Do either of these work?
select coalesce(max(foo),0) from bar
coalesce((select max(foo) from bar),0)
Author by
maverick
Updated on July 01, 2020Comments
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maverick almost 4 years
Possible Duplicate:
SELECT max(x) is returning null; how can I make it return 0?When I execute
select max(column) from mytable;
and my table has no rows, it returns null. How can I amend this select statement so it will return zero?
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Ajay Kumar over 6 yearsWorked like a charm!!!!