oracle复制列值

ext_organinfo eop SET eop.thumbnailmap = (SELECT eo.thumbnailmap FROM ext_organinfo@puam eo WHERE eo.organ_id = eop.organ_id) WHERE eop.organ_id IN (SELECT eo.organ_id FROM ext_organinfo@puam eo WHERE eo.thumbnailmap IS NOT NULL )

新建Database Links过程如下：
1、在plsql左侧栏中找到Database links 右键 new ，Database links的创建截图如下：

oracle复制列值

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