नहीं कर सकता। इसे तीन अलग-अलग हटाना होगा।
DELETE
FROM medewerkers
WHERE mnr = p_mnr;
DELETE
FROM UITVOERINGEN
WHERE cursus = p_mnr;
DELETE
FROM UITVOERINGEN
WHERE docent = p_mnr;
नहीं कर सकता। इसे तीन अलग-अलग हटाना होगा।
DELETE
FROM medewerkers
WHERE mnr = p_mnr;
DELETE
FROM UITVOERINGEN
WHERE cursus = p_mnr;
DELETE
FROM UITVOERINGEN
WHERE docent = p_mnr;