我的表格中有以下不同的行:
neighbouring_countries
我正在尝试构建一个或两个查询,这些查询将给出以下结果:
JobID ClientID Date URL
a 1 Apr 27 2020 8:21AM http://somewebsite.com
a 1 Apr 29 2020 12:57AM http://somewebsite.com
a 1 Apr 30 2020 5:05AM http://anotherwebsite.com
a 2 May 3 2020 6:09PM http://anotherwebsite.com
a 3 May 20 2020 12:55AM https://thirdlink.com
b 1 Apr 30 2020 5:16AM http://anotherwebsite.com
b 2 May 3 2020 6:09PM http://anotherwebsite.com
b 2 May 11 2020 8:39AM https://thirdlink.com
JobID ClientID Number of Clicks
a 1 3
a 2 1
a 3 1
b 1 1
b 2 2
这是我尝试过的方法,但是无法正确汇总数据:
JobID ClientID Number of URLs
a 1 2
a 2 1
a 3 1
b 1 1
b 2 2
SELECT ClientID,
COUNT(ClientID) AS [Number of Clicks],
JobId
FROM [table]
GROUP BY ClientID, JobId
任何有关如何实现这一目标的技巧将不胜感激!
答案 0 :(得分:1)
您导致聚合和count()
,如下所示:
select
jobid,
clientid,
count(*) cnt_clicks,
count(distinct url) cnt_distinct_url
from mytable
group by clientid, jobid