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Date:         Fri, 24 May 1996 19:01:11 -0500
Sender:       "SAS(r) Discussion" <SAS-L@UGA.CC.UGA.EDU>
Subject:      Re: SAS linked to Visual Foxpro, MS-Access, MS-SQL Server Databa
In-Reply-To:  <>

Well, if we're going to discuss DB2 as an example of access.... Yes, you can use the passthrough to send native SQL code and save a lot of processing time. It's not that hard, SQL is somewhat standard. You can either define proc access views of the native database that you can treat just like SAS datasets, which makes life easy but SAS has to do all the processing, or you can use proc sql with the passthrough to do the preprocessing on the database and just fetch back a smaller dataset, but you have to write a proc sql each time. You may be able to define a native view of linked tables in the database as well and just bring that back, without having to write to the database? or maybe get the IS guys to do that much for you. As much preprocessing as you can do in the database will put you that much further ahead. Once the data comes back, though, you are limited to the usual SAS fieldname and type restrictions. By default it just truncates long names.

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