Yes, thanks, now I can understand all structure of my module. Thanks a lot!
Best regards, Egor.
2011/1/26 Dave Shield <[email protected]>
> On 26 January 2011 12:23, Egor <[email protected]> wrote:
> > There are 2 data type: scalar and table. So, scalar is simple some
> variable,
> > table can contain another scalars.
>
> Yes.
>
> > Is there some important difference(access speed, allocated memory) or
> it's
> > just made to improve logical understanding of structure?
>
> Whether you use scalars or tables depends on what information you are
> trying to report.
> The way to think about this is to mentally ask yourself the question
> "What is the value of X" (where X is the thing you're trying to report
> or manage).
>
> If there can only ever be one answer
> ("How long has this computer been turned on?")
> then you should use a scalar
>
> If there could be multiple answers
> ("What programs are running on this computer?")
> then you should use a table
>
>
> > Can I don't use Table ever, just make good struct using only scalars ?
>
> No - there are certain circumstances in which you *should* use a table.
> For example, you couldn't sensible use scalar objects to report information
> relating to the programs running on the computer. You'd have to use a
> table for that.
> But there's no point in having a table for the uptime. or the name of the
> computer. There's only one such value, so it would use a scalar.
>
> OK?
>
> Dave
>
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