postgresql must appear in the group by clause or be used in an aggregate function
Try using "DISTINCT" instead of "GROUP BY"postgresql must appear in the group by clause or be used in an aggregate function
Try using "DISTINCT" instead of "GROUP BY"column must appear in the GROUP BY clause or be used in an aggregate function
SELECT m.cname, m.wmname, t.mx
FROM (
SELECT cname, MAX(avg) AS mx
FROM makerar
GROUP BY cname
) t JOIN makerar m ON m.cname = t.cname AND t.mx = m.avg
;
cname | wmname | mx
--------+--------+------------------------
canada | zoro | 2.0000000000000000
spain | usopp | 5.0000000000000000Copyright © 2021 Codeinu
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