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Developer-C 11.1
3.0
4.0
10.2
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10.6
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10.9
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11.4
5.5
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11g Release 2
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12
13
14
15
16
17
2012
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3.8
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3.27
3.39
2.11
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AdventureWorks
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create table t (id int, name nvarchar(max)); insert into t values (1 , 'abc'),(2, 'def'),(3,'xyz');
3 rows affected
select t1.id,string_agg(t2.name,'') from t t1 left join t t2 on t1.id>=t2.id group by t1.id
id
(No column name)
1
abc
2
abcdef
3
abcdefxyz