2
Mengapa 2 baris terpengaruh dalam `INSERT… ON DUPLICATE KEY UPDATE` saya?
Saya melakukan INSERT ... ON DUPLICATE KEY UPDATEuntuk a PRIMARY KEYdi tabel berikut: DESCRIBE users_interests; +------------+---------------------------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +------------+---------------------------------+------+-----+---------+-------+ | uid | int(11) | NO | PRI | NULL | | | iid | int(11) | NO | PRI …