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LaTeX-examples/documents/musterloesung-db-aufgabe-d1/d3d.sql
Martin Thoma 29d5c11e84 misc
2013-07-27 15:28:36 +02:00

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SQL

CREATE VIEW Beratungsanzahl AS (
SELECT berater_id, count(DISTINCT Berater.berater_id) AS Anzahl
FROM Berater
FULL OUTER JOIN Kunden ON Berater.berater_id = Kunden.berater_id
GROUP BY berater_id
)