Reputation: 11
For example I have data on
| S | Q | Date |
|===|===|==========|
| A | 2 |2020-11-23|
| B | 5 |2020-11-24|
| A | 1 |2020-12-01|
| B | 3 |2020-12-02|
| A | 2 |2020-12-03|
| B | 1 |2020-12-14|
| B | 2 |2021-01-02|
How to query if I want to get result like this v
| S | T | tQ | Last Date |
|===|===|====|===========|
| B | 1 | 2 | 2021-01-02|
| B | 2 | 4 | 2020-12-14|
| A | 2 | 3 | 2020-12-03|
| B | 1 | 5 | 2020-11-24|
| A | 1 | 2 | 2020-11-23|
T : count(S) in each month
tQ: sum(Q) in each month
Upvotes: 1
Views: 376
Reputation: 1269543
Hmmm . . . this just looks like aggregation:
select max(date), s, count(*) as t, sum(q)
from t
group by year(date), month(date), s;
Upvotes: 1