摘要：
oracle中表A的字段aa数据类型为CLOBmerge into A using (select '' bb from B) B on (A.id=B.id) when matched then update set A.aa=B.bb--↑此处报错：通信通道的文件结束merge into A using (select '' bb from B) B on (A.id=B.id) when matched then update set A.aa=''--↑不报错update A set aa='' --↑也不报错merge 阅读全文
