Hi Ilja!
UPDATE Tabelle_1 t1 SET t1.Spalte_1 = (SELECT t2.Spalte_1
FROM Tabelle_2 t2
t2.Spalte_2 = t1.Spalte_2
)
WHERE EXISTS (SELECT NULL
FROM Tabelle_2 t2
t2.Spalte_2 = t1.Spalte_2
)
;
Fehlen da nicht die WHERE keywords? Also wie folgt:
UPDATE Tabelle_1 t1 SET t1.Spalte_1 = (SELECT t2.Spalte_1
                                       FROM Tabelle_2 t2
                                       WHERE t2.Spalte_2  = t1.Spalte_2
                                      )
WHERE EXISTS (SELECT NULL
              FROM Tabelle_2 t2
              WHERE t2.Spalte_2  = t1.Spalte_2
             )
;
mfG
Benjamin
For animals, the entire universe has been neatly divided into things to (a) mate with, (b) eat, (c) run away from, and (d) rocks.
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