As it turned out, I was able to move the mdf and ldf files when logged in as administrator. After they were moved, I was also able to reattach...

I've granted Select permission to the table for a "view only" role (and added the specific db user as a member of the role). The Select permission appears to...

I found that I can get a SELECT statement to execute if I don't specify the catalog:

SELECT * FROM MySybase..dba.Vendors

I don't quite understand why that works, but I'm glad...

How was this issue resolved?  I'm having the exact same issue, where I've created the linked server for Sybase, can see the Sybase tables and views via Enterprise Manager, but...