You're doing it incorrectly.

* It's preferable to use IN operator in a query
...
AND sub_key.sub_key IN (93,97,352,354,355)
...
* or 
...
AND INLIST(sub_key.sub_key,93,97,352,354,355)
...

>I am trying to use inlist for integer values but I keep getting errors saying invalid oprand/mismatch. Is the following type of query valid?
>
>

>select sub_key.sub_key,sub_vendor from sub_key where sub_key.main_keys = 7450 
AND sub_key.sub_key = INLIST(sub_key.sub_key,93,97,352,354,355) into cursor blah
>

>
>thanks
>Nick