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1 UPDATE t1 2 SET Column1 = 3 ( SELECT Columnx 4 FROM t2 5 WHERE t2. KEY = t1. KEY ), Column2 = 6 ( SELECT Columny 7 FROM t2 8 WHERE t2. KEY = t1. KEY ), 9 WHERE t1. KEY = 10 ( SELECT KEY 11 FROM t2 12 WHERE t2. KEY = t1. KEY );
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原文地址：http://www.cnblogs.com/yzpopulation/p/4495675.html
