Subject | Re[2]: [ib-support] FAST DATA PUMPING - BEST PRACTICE |
---|---|
Author | Alexander Tabakov |
Post date | 2003-04-04T06:20:17Z |
Hi guys,
I've been following the discussion about data pumping but do not
understand some of the suggestions:
I see the format of external files?
after populating the external I must select everything and insert it
into the final table?
And last:
ParamByName would be slow. Is there anything else?
--
Best regards,
Alexander mailto:saho@...
I've been following the discussion about data pumping but do not
understand some of the suggestions:
>- load all records from the as/400 und store them directly in theWhat do you mean by that? Using raw data access to the file. Where can
> ascii files (without using firebird !!)
I see the format of external files?
>- pump all records with an sql statement from the external tableDoes it mean that I must have one external and one final table, so
> in the final table
after populating the external I must select everything and insert it
into the final table?
And last:
>- Also be very careful when assigning source fields to destination params.What is the main reason for this. I do not think that using
>Avoid calls like FieldByName or ParamByName absolutely, or at least do your
>mapping before the loop and use exlusively field and param *objects* in the
>loop.
ParamByName would be slow. Is there anything else?
--
Best regards,
Alexander mailto:saho@...