DECLARE @HashThis nvarchar(max), @i int;
SELECT @HashThis = CONVERT(nvarchar,'dslfdkjLK85kldhnv$n000#knf');

set @i=1
while @i<10
begin
set @hashthis=@hashthis+'1'+@hashthis
set @i=@i+1
end

select @hashthis,len(@hashthis)
SELECT HashBytes('MD5', @HashThis);
GO



dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000#knf1dslfdkjLK85kldhnv$n000 13823

（所影响的行数为 1 行）

服务器: 消息 8152，级别 16，状态 10，行 12
String or binary data would be truncated.