Best way to access Archive data

Hello,
I need to change few customized reports (z-reports) to make it fetch data from IXOS server.
This is done for SAP IS-H reports. So some of the tables for eg NBEW(movement table) will be archived and a correspoding
infostructre will be created acting as an indice to archive database.So my query is what is the correct approach to read the data from the IXOS server.
1. Query the infostructure . Change each select statement to make it read from the infostruture which points to IXOS
2. Directly read files using unix commands.
When we use option 1 or 2 what are the benefits ? which is better?
Some times may need to query both sap databse and IXOS, if the date range overlaps So what are the performance impacts.
Any ideas is highly appreciated.
Thank you.
Regards,
Abhilash

Abhilash
I would suggest to use the option 1, to query the infostructure.
With this you can access the data fast as the system would've generated indexes with the archived data.
Directly querying unix files might not be that good, as you need to identify the proper indexes to fetch the data, whcih we might not do so accurately at times.
Thanks,
Naveen

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Edited by: charlesd81 on Apr 15, 2011 6:54 PM
Edited by: charlesd81 on Apr 15, 2011 6:56 PM

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"Tag2007" <[email protected]> wrote in
message
news:epj87p$mar$[email protected]..
> Hi Guys,
>
> Whats the best way to get a date from a user and add it
in an insert
record to
> access.
>
> I have a form that adds a record and it works well
enough as long as the
data
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>
> Untill now ive just had a text box with an explination
to the user on how
to
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