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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
10.11
11.4
5.5
5.6
5.7
8.0
8.4
18
11g Release 2
18c
21c
23c
8.4
9.3
9.4
9.5
9.6
10
11
12
13
14
15
16
17
2012
2014
2016
2017
2017 (Linux)
2019
2019 (Linux)
2022
3.8
3.16
3.27
3.39
2.11
2.14
2.6
2.8
2.18
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AdventureWorks
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AdventureWorks
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CREATE TABLE mytable( id INTEGER NOT NULL PRIMARY KEY ,parent_id INTEGER NOT NULL ); INSERT INTO mytable(id,parent_id) VALUES (12,1); INSERT INTO mytable(id,parent_id) VALUES (13,12); INSERT INTO mytable(id,parent_id) VALUES (14,13); INSERT INTO mytable(id,parent_id) VALUES (15,14);
with recursive cte as ( select id, parent_id, 0 lvl from mytable where id = 15 union all select c.id, t.parent_id, c.lvl + 1 from mytable t inner join cte c on c.parent_id = t.id where t.parent_id > 12 ) select id, parent_id from cte c where c.lvl = (select max(c1.lvl) from cte c1 where c1.id = c.id)
id
parent_id
15
13