Thanks to all who replied.
----- Original Message -----
> We have the query cache turned on, and it appears to be working well.
> However, there appears to be no indication in the manual as to the time
> that a cached query remains in memory. In the absence of this
> information, is it safe to assume that a cached query remains there
> indefinitely, unless either (1) one of the tables used in the initial
> query is modified, or (2) the server is re-started?
> We are using ColdFusion MX, which has its own query cache (which is
> very useful for whats called Query-of-query selects), but there the
> residence time is configurable, and the timer is restarted if the
> cached query is called before the timeout.
> Terry Riley