--TD 26655.40

ALTER TABLE WORKSTATION
  DROP CONSTRAINT SOCKETPROTOCOL_VALID1_1;
ALTER TABLE WORKSTATION
  ADD CONSTRAINT SOCKETPROTOCOL_VALID1_1
  CHECK (SOCKETPROTOCOL IN (0, 1, 2, 3, 4, 5));

COMMENT ON COLUMN WORKSTATION.SOCKETPROTOCOL
  IS '0 = Not applicable 1 = Standard EPC + CR/LF 2 = Datamars 3 = TagSys-L400 EPC + CR/LF 4 = TagSys u-Door 5 = TAGSYSSTXNG';