Problém je v tom, s čím to grupuju?
Zkusil jsem to bez group by a už to hlásí:
Could not run query: Mixing of GROUP columns (MIN(),MAX(),COUNT(),...) with no GROUP columns is illegal if there is no GROUP BY clause
Podle čeho to mám teda zagrupovat
Problém je v tom, s čím to grupuju?
Zkusil jsem to bez group by a už to hlásí:
Could not run query: Mixing of GROUP columns (MIN(),MAX(),COUNT(),...) with no GROUP columns is illegal if there is no GROUP BY clause
Podle čeho to mám teda zagrupovat