TERMCHARSETS 
Using the
system table
TERMCHARSETS, you can determine the following database information:
TermChar sets
SELECT termcharsetname
FROM DOMAIN.TERMCHARSETS
All names of the TermChar sets that can be currently used
SELECT termcharsetname
FROM DOMAIN.TERMCHARSETS
WHERE state = 'ENABLED'
Definition of the TermChar set that is used in the current
database session
SELECT intern, extern
FROM DOMAIN.TERMCHARSETS tcs, DOMAIN.
CONNECTPARAMETERS cp
WHERE tcs.termcharsetname = cp.termcharsetname