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TimescaleDB
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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
2019 (Linux)
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 MainTable ( ColumnA int ,ColumnB int ,ColumnC int ); insert MainTable ( ColumnA ,ColumnB ,ColumnC ) values (1,1,1) ,(1,1,1) ,(1,1,2) ,(1,1,3); WITH cte AS ( SELECT ColumnA, ColumnB, ColumnC, COUNT(*) OVER (PARTITION BY ColumnA, ColumnB) AS count_ab, COUNT(*) OVER (PARTITION BY ColumnA, ColumnB, ColumnC) AS count_abc FROM MainTable -- ...SOME joins(INNER AND left) WHERE ColumnA IS NOT NULL ) SELECT ColumnA, ColumnB, ColumnC, count_ab FROM cte WHERE count_ab > 1 AND count_abc = 1 ;
ColumnA
ColumnB
ColumnC
count_ab
1
1
2
4
1
1
3
4