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Developer-C 11.1
3.0
4.0
10.2
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10.5
10.6
10.7
10.8
10.9
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11.4
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11g Release 2
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13
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15
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17
2012
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CREATE TABLE T ([欄位A] nvarchar(1)) ; INSERT INTO T ([欄位A]) VALUES ('0'), ('1'), ('2'), ('3'), ('4') ;
5 rows affected
/* 當 @參數A ='' 欄位A顯示 0 1 2 3 4 @參數A ='0' 欄位A顯示 1 2 3 4 @參數A ='1' 欄位A顯示 0 */ declare @參數A nvarchar(1) = '1'; select * from T where [欄位A] like case @參數A when '' then '[0|1|2|3|4]' when '0' then '[1|2|3|4]' when '1' then '0' end
欄位A
0