Hi ,everyone! i am using qt sql to do a small software,but i encountered some difficulty;
i don't know how to update data in other table when i update one ;
eg: table A( name text , address text,primary key(name) );
table B(id integer,name references A(name),tel integer);

when i update field name in table A ,how can i update field name in table B, the point is that i use the QSqlTableModel to handle the data updating,
i find a signal called 'beforeUpdate' in QSqlTableModel,but it seems that the signal is emitted before update data in dataBase not before update data in model, so i come to look for help,my english is not good,thx!