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CREATE TABLE #TABLE1
(
T1 VARCHAR(20)
)
INSERT INTO #TABLE1 VALUES('A'),('B')
CREATE TABLE #TABLE2
(
T2 VARCHAR(20)
)
INSERT INTO #TABLE2 VALUES('A'),('A'),('A'),('A'),('B'),('B'),('B'),('B')
SELECT
T1,
(SELECT ''+T2
FROM #TABLE2
WHERE #TABLE2.T2=#TABLE1.T1
FOR XML PATH('')
)
FROM #TABLE1
T1
-------------------- ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
A AAAA
B BBBB
(2 行受影响)