-21 6-21 ' as col from dualselect '6-20 6-20 6-20 6-20 6-20 ' from dualselect '6-9 6-96-96-96-96-96-9 ' from dual)Mon: 6-21, Tue: 6-21, Wed: 6-21, Thu: 6-21, Fri: 6-21, S
他告诉我们,在编写GUI之前,大多数时间都要花在数据库上,所以我需要确保表的设计不会造成任何问题。id PK AIschoolYearId -- FK REFERENCES schoolyear(id)schoolYearStart比这更好类name
yearlevelId -- FK REFERENCES year