declare @T table
(
ID int,
Type varchar(30),
SubType varchar(30),
SubSubType varchar(30)
)
insert into @T values
(1, 'Product Documentation', 'Brochures', 'Functional Brochures'),
(2, 'Product Documentation', 'Brochures', 'Fliers'),
(3, 'Product Documentation', 'Data Sheets and Catalogs', 'Data Sheets'),
(4, 'Product Documentation', 'Data Sheets and Catalogs', 'Catalogs'),
(5, 'Other Documentation', 'Other classification', 'User Guides')
select T1.Type as '@Name',
(
select T2.SubType as '@Name',
(
select T3.SubSubType as '@Name'
from @T as T3
where T3.SubType = T2.SubType and
T3.Type = T1.Type
for xml path('SubSubType'), type
)
from @T as T2
where T2.Type = T1.Type
group by T2.SubType
for xml path('SubType'), type
)
from @T as T1
group by Type
for xml path('Type'), root('AllTypes')
