• Subject: Re: Early Client Server on the AS/400
  • From: nina jones <ddi@xxxxxxxxxxxxxxxxx>
  • Date: Sun, 03 Jan 1999 12:37:01 -0600
  • Organization: data design inc http://www.datadesigninc.com

> DDM just does a chain to the remote system and only returns the data that
> you requested over the comm line.  The whole file definitely does not have
> to be transfered.  This is done via an ICF file.  The source system evokes a
> program on the target system that retrives the record requested via the
> CHAIN, and then only returns the record requested.  Note though that the
> entire RECORD is returned, not just the field you need.

i thought ddm and icf were two different things.

when we tried ddm, we set up file overrides to the remote system.  and response 
went down
the drain.  in the override, how do you tell it to only send back a piece of 
data.  i
thought the whole idea was the file was accessed just like it was a local 
system.

we switched to the source/target programming method, where the source program 
would
aquire the correct system, send the request, the data was created on the target 
system,
and then received back via icf.

nj

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