我在一家电信公司工作,每个月我都会将数字列表加载到表格中,下面的代码显示了他们与哪个部门交谈并按导入日期排序。
目前我必须count(case)
为每个导入日期添加一个新语句,有没有办法可以运行它,以便它获取新日期并将它们放在列中,这样我就不必每个都添加一个新的 count(case) 语句加载新数据的时间。
sel
dept
,count(case when import_date = '2013-03-26' then import_date
else null end) as "WE 26/03"
,count(case when import_date = '2013-07-25' then import_date
else null end) as "WE 25/07"
,count(case when import_date = '2013-08-22' then import_date
else null end) as "WE 22/08"
,count(case when import_date = '2013-09-09' then import_date
else null end) as "WE 09/09"
from IPSHARE.HRData
inner join IPSHARE .RMO_CHURN_TRIGGER
on msn = svc_no
group by dept;
输出如下所示
dept | WE 26/03 | WE 25/07 |WE 22/08 |WE 09/09
Mobile Retention| 57,433 | 26,185 |24,686 |23,593
Mobile Tech | 21,036 | 11,999 |7,566 |7,429
FS Low Risk | 17,988 | 8,074 |7,879 |7,917
General | 17,068 | 10,111 |5,226 |4,549
Bus Mob Retent | 16,737 | 16,477 |396 |736