Kan ikke gøre det. Det skal være tre separate sletninger.
DELETE
FROM medewerkers
WHERE mnr = p_mnr;
DELETE
FROM UITVOERINGEN
WHERE cursus = p_mnr;
DELETE
FROM UITVOERINGEN
WHERE docent = p_mnr;
Kan ikke gøre det. Det skal være tre separate sletninger.
DELETE
FROM medewerkers
WHERE mnr = p_mnr;
DELETE
FROM UITVOERINGEN
WHERE cursus = p_mnr;
DELETE
FROM UITVOERINGEN
WHERE docent = p_mnr;