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我有一个要求与SQL星号(*),例如替换字符串的第一个和最后2个字符:最快方式
输入 :123456
输出:**34**
这是多么我已经做到了,反正是有,我可以改进下面的脚本(使其更短,少打电话内置函数来获得所需要的输出等? )
DECLARE @Number VARCHAR(64)
SET @Number = '123456789'
IF(LEN(@Number) >= 5)
BEGIN
--Remove the first two characters
SET @Number = SUBSTRING(@Number,3,LEN(@Number))
--Remove the last two characters
SET @Number = SUBSTRING(@Number,0,LEN(@Number)- 1)
--Add two asterisks at front and end
SEt @Number = '**' + @Number + '**'
SELECT @Number
END