Friday, 18 May 2012

ORA-30026: Undo tablespace string has unexpired undo with string(sec) left, Undo_Retention=string(sec)

ORA-30026: Undo tablespace string has unexpired undo with string(sec) left, Undo_Retention=string(sec)

Cause: Tried to drop a tablespace that contains unexpired undo information

Action: lower setting of UNDO_RETENTION or wait a while before reissue command to drop undo tablespace

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