declare
dPag date;
dVenc date;
d number;
begin
dPag := to_char('02/03/2009','mm');
end;
[1]: (Error): ORA-06550: line 9, column 9: PLS-00307: too many declarations of 'TO_CHAR' match this call ORA-06550: line 9, column 1: PL/SQL: Statement ignored