SQL: select t0.deptName, t0.deptId, t0.startTime, t0.endTime, IFNULL(t0.num,) as num0, IFNULL(t1.num,) as num1, IFNULL(t2.num,) as num2, IFNULL(t4.num,) as num4, IFNULL(t5.num,) as num5, IFNULL(t6.num,) as num6, IFNULL(t7.num,) as num7, IFNULL(t8.num