Hi,

> I post again the results with the next test.
> Doesn't return any record, only open
> and close query many times (12) , How Thomas Miller has said:
> connecting and opening the transaction is what is really being tested.
>
> MSSQL ADO -> ~ 12500 ms
> FB ADO -> ~ 30500 ms
> FB IBX -> ~21500 ms
> FB IBO -> ~11400 ms
>
> The winner is IBO.

How did you test ?

For all tests creating new instances ?

for i := 1 to 10000 do
begin
with TAQuery.Create(nil) do
try
SQL.Text := 'SELECT ....';
Open;
finally
Free;
end;
end;

Regards,
Arno