--Order 20016043

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';

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