>SELECT * FROM mastcoil INTO CURSOR tmprfil4 WHERE &pcstring UNION SELECT * FROM masthist WHERE &pcstring

>SELECT DISTINCT * FROM tmprfil4 INTO CURSOR tmprfile GROUP BY fcprocno

As far as I know, doing a UNION (without the ALL keyword) will automatically get rid of duplicates, so you don't even need to do the second SELECT DISTINCT. So the original SELECT should do the whole thing for you.

--Brad