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Do you have your main index (immovable) on symbol, date? Made a big difference for me.
--- In amibroker@xxxxxxxxxxxxxxx, "lucianomt" <lucianomt@xxx> wrote:
>
> I am trying to set up real-time feeds on AB. I have a SQL database that contains all the necessary data. The only problem is the very high delay I get using the ODBC plug-in. To pull up about 1000 bars for 150 tickers takes approx. 10 minutes, which makes it impractical for real-time. (The same process using local database takes 1 second.)
>
> So my first question is: am I doing something wrong? Is there any way to improve this performance significantly or is the ODBC solution inherently slow?
>
> If nothing can be done to improve ODBC, I thought I could upload the historical data into the local database and them use a different source, say DDE, to update the real-time quotes for the current day. Would that solution work?
>
> Please note that the historical data needs to be updated daily since it is a total-return series.
>
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