我有一个表格,其结构如下:
Referrals
ReferrerID Date_Activated ReferredID
INT DateTime INT
我想做的是联合国扫盲委员会,但我需要计算10个多点。
So for example, if there are 34 entries by ReferrerID, I would like the count to return 3 (since there are only 3 multiples of 10).
或者,如果移案X有29个条目,我就希望返回2(因为它不到30个)。