Trenne Benutzernamen durch Kommata.
dANKE FÜR EINE SO ERLICHE ANTWORT
DELETE FROM `address_book` WHERE EXISTS (SELECT `customers_id` FROM `customers` WHERE (`customers`.`customers_id`=`address_book`.`customers_id`)...
Hallo sorry hat trozdem geklapt alle OK Danke
Fehler: Unknown column 'address_book.custom ers_id' in 'where clause' Fehler: Unknown column 'customers_info.cust omers_info_id' in 'where clause'...