Anda tidak dapat yakin tentang urutan string yang digabungkan tanpa perintah demi pernyataan di sub kueri. .value('.', 'varchar(max)')
bagian yang ada untuk menangani kasus di mana Label
berisi tidak ramah XML karakter seperti &
.
declare @T table(Response_ID int, Label varchar(50))
insert into @T values
(12147, 'It was not clear'),
(12458, 'Did not Undersstand'),
(12458, 'Was not resolved'),
(12458, 'Did not communicate'),
(12586, 'Spoke too fast'),
(12587, 'Too slow')
select T1.Response_ID,
stuff((select ','+T2.Label
from @T as T2
where T1.Response_ID = T2.Response_ID
for xml path(''), type).value('.', 'varchar(max)'), 1, 1, '') as Label
from @T as T1
group by T1.Response_ID