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Firebird
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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
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2022
2.11
2.6
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Sakila
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AdventureWorks
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AdventureWorks
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CREATE TABLE T1 ( Col1 VARCHAR(45), Col2 VARCHAR(45) ); CREATE TABLE T2 ( Col1 VARCHAR(45), Col2 VARCHAR(45) ); INSERT INTO T1 (Col1, Col2) SELECT 'Val1', 'Val2'; INSERT INTO T2 (Col1, Col2) SELECT 'Val11', 'Val22'; WITH CTE AS ( SELECT Col1, Col2, 'T1' [T1.T2] FROM T1 UNION SELECT Col1, Col2, 'T2' FROM T2 ) SELECT * FROM CTE ORDER BY [T1.T2] DESC;
Col1
Col2
T1.T2
Val11
Val22
T2
Val1
Val2
T1