DECLARE @str varchar(max)
set @str='1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,18,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48'
declare @xml2 xml
set @xml2=convert(xml,'<n>'+replace(@str,',','</n><n>')+'</n>')
select xml3.value('.','int') as ID from @xml2.nodes('*') as Tablexml(xml3)