ORA-38759: Database must be mounted by only one instance and not open.

ORA-38759
ORA-38759: Database must be mounted by only one instance and not open.
Cause: An attempt to turn on or off Flashback Database logging was made when
the database was open or mounted by more than one instance.
Action: Mount the database in only one instance and retry the command.
More details : Viste http://www.high-oracle.com/ora-38759/
More details : Viste http://www.high-oracle.com/ora-38759/
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