SQL Server create accepts any type of NVL

Source: Internet
Author: User

  

If exists (select  *            from    sys.objects            where   object_id = object_id (n ' dbo.nvl ') and type  = N ' FN ' ) Begin    Drop function [dbo].[ nvl];endgocreate function Dbo.nvl (@check_value sql_variant, @replace_value sql_variant)  returns SQL_ Variantasbegin       return IsNull (@check_value, @replace_value); Endgoselect dbo.nvl (null, ' SFS ') select DBO.NVL (NULL, 1) Select DBO.NVL (null,getdate ()) Select DBO.NVL (1111,100000000)

  

SQL Server create accepts any type of NVL

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