ALTER FUNCTION [dbo].[GetNextVal](@seqname [nvarchar](50))RETURNS [int] WITH EXECUTE AS CALLERAS EXTERNAL NAME [SqlUtils].[Sequence].[GetNextVal]
能解释一下这是什么意思吗?
http://www.zxbc.cn/html/20090525/71376.html
http://msdn.microsoft.com/zh-cn/library/ms188354.aspx