【ORACLEナレッジベース】 ORA-00240: control file enqueue held for more than 120 seconds ORA-00445: background process "m000"【ORACLEナレッジベース】
ORA-00240: control file enqueue held for more than 120 seconds ORA-00445: background process "m000"【ORACLEナレッジベース】