Path: utzoo!attcan!uunet!clyde.concordia.ca!jarvis.csri.toronto.edu!rutgers!att!cbnewsm!ldc
From: ldc@cbnewsm.ATT.COM (derrick.j.mitchell)
Newsgroups: comp.databases
Subject: Re: Another SET RELATION QUESTION
Summary: Thanks a million
Keywords: CLIPPER
Message-ID: <8488@cbnewsm.ATT.COM>
Date: 11 Jan 90 23:12:09 GMT
References: <8328@cbnewsm.ATT.COM> <17@lotex.UUCP>
Organization: AT&T Bell Laboratories
Lines: 5

As many people have pointed out to me the correct syntax is:

SET RELATION TO <key> INTO <datafile1>, TO <key> INTO <datafile2>
not:
SET RELATION TO <key> INTO <datafile1>, <key> INTO <datafile2>