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Robert Sanderson wrote: > That's not strictly correct. I could not want to be returned any records, > but still want a result set. > > For example: > > I want to do some operation on two result sets. I search for them, > requesting 0 records in response. Then do the operation on the > resultsets, and ask for 10 records in response. Rather than just > discarding the records from the first two searches, it should be possible > to have a result set created when 0 records are requested. Not only possible: it's a fundamental premise of Z39.50, that you can do a search and find out the number of hits, before deciding whether to retrieve. As far as I'm concerned it's just as fundamental in srw. --Ray