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sys.sp_MSuniquecolname

  No additional text.


Syntax

create procedure sys.sp_MSuniquecolname
    @table_name nvarchar(517),  -- this is a qualified_name
    @base_colname sysname,
    @unique_colname sysname output
as
begin

    set nocount on

    declare @icol_suffix int

    select @icol_suffix = ( max(column_id) + 1 ) from sys.columns
        where object_id = object_id( @table_name )

    select @unique_colname = @base_colname

    while exists(
            select * from sys.columns
                where object_id = object_id( @table_name )
                  and name = @unique_colname
    )
    begin
        select @unique_colname = @base_colname + convert( nvarchar(40), @icol_suffix )
        select @icol_suffix = @icol_suffix * ( @@spid + 1 )
    end

end

 
Last revision 2008RTM
See also

  sp_MSaddguidcolumn (Procedure)
sp_MSdrop_rlcore (Procedure)
       



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