Use
Trim Função select Trim(trailing ' ' from 'xxxxxxxxxx yyyyyyyyy - 12/7/14 - 12/13/14 ') from dual
ou Use
Rtrim select RTrim('xxxxxxxxxx yyyyyyyyy - 12/7/14 - 12/13/14 ') from dual
Trim Função select Trim(trailing ' ' from 'xxxxxxxxxx yyyyyyyyy - 12/7/14 - 12/13/14 ') from dual
Rtrim select RTrim('xxxxxxxxxx yyyyyyyyy - 12/7/14 - 12/13/14 ') from dual
