ORACLE关联更新
更新TABLE2的NAME到,TABLE1表的NAME字段。
update TABLE1 A
set A.NAME = (SELECT B.NAME
FROM TABLE2 B
WHERE A.ID = B.ID)
WHERE EXISTS (SELECT B.NAME
FROM TABLE2 B
WHERE A.ID = B.ID)
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转载自djason99.iteye.com/blog/2200013
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