[Lazarus] Proper implementation of TDataLink descendant

[Alexander Klenin]

Please, write to the mailing list instead of directly to me.
Other people on the list might also be interested in, or contribute
to, our discussion.

On Sat, Aug 6, 2011 at 00:43, Jorge López <loval.jlopez at gmail.com> wrote:
> What do you think about large datasets?
> My implementation is an historical trend of data recolected in a factory. A
> new row should be created on frequency basis and may be every minute or
> every second, obviously this generate many records.
> I implemented a SQL query to select a manageable quantity of records with
> datetime parameters. Load all records in memory should hang up my system.
>
> This is solution?

Yes, filtering data at the database level is a good plan.

-- 
Alexander S. Klenin