Hapus Email Berulang Menyimpan Nomor ID terkecil
DELETE P1
FROM PERSON P1, PERSON P2
WHERE P1.EMAIL=P2.EMAIL AND P1.ID>P2.ID;
Jacqueline Lino
DELETE P1
FROM PERSON P1, PERSON P2
WHERE P1.EMAIL=P2.EMAIL AND P1.ID>P2.ID;