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Records: 8  Duplicates: 0  Warnings: 0
id str
1 Строка A
2 Строка S
3 Строка D
4 Строка F
5 Строка G
6 Строка H
7 Строка J
8 Строка K
CASE WHEN ROW_NUMBER() OVER (ORDER BY id) MOD 2
            THEN str
            ELSE REVERSE(str)
            END
Строка A
S акортС
Строка D
F акортС
Строка G
H акортС
Строка J
K акортС