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Firebird
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MySQL
Node.js
Oracle
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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
2.14
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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SELECT LISTAGG(X, ',') WITHIN GROUP( ORDER BY X ) as result FROM ( SELECT X, SUM(LENGTH(X)) OVER( ORDER BY X ) LENGTH_X, COUNT(1) OVER( ORDER BY X ) - 1 AS COMMAS FROM ( SELECT LEVEL X FROM DUAL CONNECT BY LEVEL <= 20 ) ) GROUP BY CEIL((LENGTH_X + COMMAS) / 15)
RESULT
1,2,3,4,5,6,7,8
9,10,11,12,13
14,15,16,17,18
19,20