ALTER TABLE SC_Almanach_Event ADD
CONSTRAINT PK_Almanach_Event PRIMARY KEY
  (
    eventId
  );

ALTER TABLE SC_Almanach_Periodicity ADD
CONSTRAINT PK_Almanach_Periodicity PRIMARY KEY
  (
    id
  );

ALTER TABLE SC_Almanach_PeriodicityExcept ADD
CONSTRAINT PK_Almanach_PeriodicityExcept PRIMARY KEY
  (
    id
  );
