SELECT 字段1,
[随便来个名字就行] = stuff((
SELECT ',' + [字段2]
FROM aa t
WHERE t.字段1 = aa.字段1
FOR xml path('')) , 1 , 1 , '')
FROM aa
GROUP BY 字段1
SELECT 字段1,
[随便来个名字就行] = stuff((
SELECT ',' + [字段2]
FROM aa t
WHERE t.字段1 = aa.字段1
FOR xml path('')) , 1 , 1 , '')
FROM aa
GROUP BY 字段1
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