A Sybase IQ multiplex is an IQ database spread across a shared disk array so that multiple servers run Sybase IQ (and each has its own Catalog Store and IQ Temporary Store, and optional local IQ Store) and all the servers share a common IQ Store. For more information, including all related definitions, see Multiplex capability in Chapter 1, “Overview of Sybase IQ System Administration,” Sybase IQ System Administration Guide.