> The docs say that using ExecuteImmediate (From memory) will allow DDL
> without triggering a Schema Refresh.

This is likely true being that there is a separate method ExecuteDDL().

> However if I don't refresh the Schema will I be able to see /
> use the table.

It will be available on the server. You may not get some of the things like
KeyLinks auto define and other things the schema is used for but you
certainly will be able to process any valid SQL that involves use of the
table.

Jason Wharton