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SQL code:
declare @msg nvarchar(4000)
declare @severity int

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BEGIN
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--print @msg
RAISERROR (@msg, @severity, 1)

END


SQL code:

declare @msg nvarchar(4000)
declare @severity int
exec('aa')
IF @@ERROR <> 0
BEGIN
select @msg=description,@severity=severity from sysmessages where msglangid = 2052 and error=@@ERROR
--print @msg
RAISERROR (@msg, @severity, 1)

END
/*
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ÕÒ²»µ½´æ´¢¹ý³Ì 'aa'¡£
*/


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SQL code

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declare @severity int
exec('aa')
IF @@ERROR <> 0
BEGIN
select @msg=description,@severity=severity from sysmessages where msglangid = 2052 and error=@@¡­¡­

/*
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