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Db2
Firebird
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Node.js
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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)
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2022
2.11
2.6
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2.18
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AdventureWorks
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AdventureWorks
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declare @quarter int, @year int, @date date set @quarter = 4 set @year = 2018 set @date = cast(@year as varchar(4)) + '0101' set @date = dateadd(quarter, 1 - 1, @date) print @date set @date = cast(@year as varchar(4)) + '0101' set @date = dateadd(quarter, 2 - 1, @date) print @date set @date = cast(@year as varchar(4)) + '0101' set @date = dateadd(quarter, 3 - 1, @date) print @date set @date = cast(@year as varchar(4)) + '0101' set @date = dateadd(quarter, 4 - 1, @date) print @date
2018-01-01 2018-04-01 2018-07-01 2018-10-01