Hello, All! Please, If we want to delete a row in a first table that contains id which is foreign key in second table, why do we have to delete the whole column in that other table containing it as foreigh key? Is there ay other option (meaning, delete just thse elements from that column (in the second table), that were mentioned in that row we delete from first table Please, can U help me with keywords an links about that topic? I am new in that area, and still do not manage all the terms in english, which is not my native tounge. MANY THANKS!!!