###获得指定ID的部门记录
GET_DEPARTMENT_BY_ID = SELECT ID, DeptName FROM Department WHERE ID = ?

###获得严格匹配指定名称的部门记录
GET_DEPARTMENT_BY_DEPT_NAME_EXACTLY = SELECT * FROM Department WHERE DeptName = ?

###获得全部部门记录
GET_ALL_DEPARTMENTS = SELECT * FROM Department

###添加部门
ADD_DEPARTMENT = INSERT INTO Department (DeptName) VALUES (?)

###删除部门
DELETE_DEPARTMENT = DELETE FROM Department WHERE ID = ?