[英]How do I select specific names of a column with Content?
您好,我在使用SQL Server 2012时遇到问题,
SELECT e.especes,COUNT(*) AS [nombre de sujets],
STUFF((SELECT ',' + ' ' + a.nom
FROM animal a,espece e
where e.IDESPECE = a.IDESPECE
FOR XML PATH (''))
, 1, 1, '') AS noms
INTO statEspece
from espece e,animal a
WHERE e.IDESPECE = a.IDESPECE
GROUP BY a.IDESPECE, e.especes;
即使我试图把这一行:
其中e.IDESPECE = a.IDESPECE
name列中填充了dbo.animal.nom的所有动物。
输出看起来像这样:
Animal Number Names
Tigre 2 Tigrou, Chita, Chloe, Jumbo, Zaza, Coco, Kahn, King
Lion 1 Tigrou, Chita, Chloe, Jumbo, Zaza, Coco, Kahn, King
Zèbre 1 Tigrou, Chita, Chloe, Jumbo, Zaza, Coco, Kahn, King
Singe 2 Tigrou, Chita, Chloe, Jumbo, Zaza, Coco, Kahn, King
other 1 Tigrou, Chita, Chloe, Jumbo, Zaza, Coco, Kahn, King
other 1 Tigrou, Chita, Chloe, Jumbo, Zaza, Coco, Kahn, King
有人可以解释一下为什么它返回我数据库中的所有名称吗?
尝试这个:
SELECT e.especes,COUNT(*) AS [nombre de sujets],
STUFF((SELECT ',' + ' ' + a1.nom
FROM animal a1,espece e1
where e1.IDESPECE = a1.IDESPECE AND a1.IDESPECE=a.IDESPECE
FOR XML PATH (''))
, 1, 1, '') AS noms
INTO statEspece
from espece e,animal a
WHERE e.IDESPECE = a.IDESPECE
GROUP BY a.IDESPECE, e.especes;
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