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Db2
Firebird
MariaDB
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Node.js
Oracle
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SQLite
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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
2014
2016
2017
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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;WITH src AS ( SELECT Art, Type FROM ( VALUES (2215, 'Z'), (2215, 'C'), (2215, 'M'), (2216, 'C'), (2216, '') ) AS v(Art, Type) ), apply_rn AS ( SELECT Art, Type, rn = ROW_NUMBER() OVER (PARTITION BY Art ORDER BY CASE Type WHEN 'M' THEN 1 WHEN 'C' THEN 2 WHEN 'Z' THEN 3 ELSE 4 END) FROM src ) SELECT Art, Type FROM apply_rn WHERE rn = 1 ORDER BY Art;
Art
Type
2215
M
2216
C