AT CHECK CONSTRAINTS

CREATE TABLE AT_CHECK_CONSTRAINTS (
    ID                DINTKEY,
    CHECKNAME         DTABLENAME NOT NULL,
    MSG               DTEXT80 COLLATE PXW_CYRL
);
 
ALTER TABLE AT_CHECK_CONSTRAINTS ADD CONSTRAINT AT_PK_CHECK_CONSTRAINTS 
  PRIMARY KEY (ID);
 
CREATE UNIQUE INDEX AT_X_CONSTRAINTS_IN 
  ON AT_CHECK_CONSTRAINTS (CHECKNAME);