Hi all,
I have a function. See it below:
create or replace function obtem_total_gasto(data1 in gasto.data%type, data2 in gasto.data%type) (see it below for more information).
When I call it using a PL/SQL block like
declare
a number;
dt1 varchar2(10);
dt2 varchar2(10);
begin
dt1...