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Db2
Firebird
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Node.js
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Developer-C 11.1
3.0
4.0
10.2
10.3
10.4
10.5
10.6
10.7
10.8
10.9
5.5
5.6
5.7
8.0
18
11g Release 2
18c
21c
23c
8.4
9.3
9.4
9.5
9.6
10
11
12
13
14
15
16
3.8
3.16
3.27
3.39
2012
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2017 (Linux)
2019
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2022
2.11
2.6
2.8
2.18
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Sakila
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AdventureWorks
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AdventureWorks
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create table YourTable ( ColA varchar(30), ColB int, ColC varchar(30) );
insert into YourTable (ColA, ColB, ColC) values ('A', 10, 'ccc'), ('A', 20, 'aaa'), ('A', 35, 'bbb'), ('A', 25, 'aaa'), ('A', 10, 'aaa'), ('B', 15, 'ccc'), ('B', 15, 'bbb'), ('B', 30, 'bbb');
8 rows affected
SELECT ColA , TotalColB AS Total , ColC AS Lable FROM ( SELECT ColA, ColC , TotalColB = SUM(SUM(ColB)) OVER (PARTITION BY ColA) , Rnk = DENSE_RANK() OVER (PARTITION BY ColA ORDER BY COUNT(*) DESC) FROM YourTable GROUP BY ColA, ColC ) q WHERE Rnk = 1 ORDER BY ColA;
ColA
Total
Lable
A
100
aaa
B
60
bbb