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- Tiger_Zhao 2015-04-15 09:11关注
这和游标有什么关系?
SELECT a1.id, a2.score FROM a a1 CROSS APPLY (SELECT SUM(score) score FROM a WHERE id <= a1.id ) a2
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这和游标有什么关系?
SELECT a1.id,
a2.score
FROM a a1
CROSS APPLY (SELECT SUM(score) score
FROM a
WHERE id <= a1.id
) a2