Hub centric rings

select distinct cast(a1 as float) from [dbo].[nccat4_xcattab_accessori] x inner join [dbo].[nccat4_Product] p on p.code=x.code inner join [dbo].[nccat4_xcattab_global] g on g.code=p.code left outer join nccat4_stock s on s.code=p.code where isnull(a1,'')<>'' and p.type=0 AND g.mnu='MENU2_RING' ORDER BY cast(a1 as float)

select distinct cast(a2 as float) from [dbo].[nccat4_xcattab_accessori] x inner join [dbo].[nccat4_Product] p on p.code=x.code inner join [dbo].[nccat4_xcattab_global] g on g.code=p.code left outer join nccat4_stock s on s.code=p.code where isnull(a2,'')<>'' and p.type=0 AND g.mnu='MENU2_RING' ORDER BY cast(a2 as float)

select distinct a3 from [dbo].[nccat4_xcattab_accessori] x inner join [dbo].[nccat4_Product] p on p.code=x.code inner join [dbo].[nccat4_xcattab_global] g on g.code=p.code left outer join nccat4_stock s on s.code=p.code where isnull(a3,'')<>'' and p.type=0 AND g.mnu='MENU2_RING' ORDER BY a3

select distinct a6 from [dbo].[nccat4_xcattab_accessori] x inner join [dbo].[nccat4_Product] p on p.code=x.code inner join [dbo].[nccat4_xcattab_global] g on g.code=p.code left outer join nccat4_stock s on s.code=p.code where isnull(a6,'')<>'' and p.type=0 AND g.mnu='MENU2_RING' ORDER BY a6