Is there any best pratice to use? If I create one dommain for each
different type is a good solution? For example, one domain for
char(2), one dommain for char(1), other to char(10). This is normal?

> > Why this ocurr?
>
> To make it easy to change type of columns independently if it will
> be needed somewhere in time, I suppose.
>
> > Is there any problem
> > If I not set any dommains for my columns?
>
> No.
>
> Best regards, Alexander.