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You cannot use MAX() in a WHERE clause, instead use a subquery. The ORDER BY is also unneeded, because we only select the maximum. So what to order, there is only one number (even if multiple entries with the same number).
4 lines
186 B
SQL
4 lines
186 B
SQL
SELECT berater_id, name, anzahl
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FROM Beratungsanzahl
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JOIN Berater ON Berater.berater_id = Beratungsanzahl.berater_id
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WHERE anzahl = (SELECT MAX(anzahl) FROM Beratungsanzahl)
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