Kan inte göra det. Det måste vara tre separata borttagningar.
DELETE
FROM medewerkers
WHERE mnr = p_mnr;
DELETE
FROM UITVOERINGEN
WHERE cursus = p_mnr;
DELETE
FROM UITVOERINGEN
WHERE docent = p_mnr;
Kan inte göra det. Det måste vara tre separata borttagningar.
DELETE
FROM medewerkers
WHERE mnr = p_mnr;
DELETE
FROM UITVOERINGEN
WHERE cursus = p_mnr;
DELETE
FROM UITVOERINGEN
WHERE docent = p_mnr;