Shulou(Shulou.com)06/01 Report--

Today, I opened the newly installed oracle console and found that it could not be opened. The prompt was: the database has been closed. Please specify host ××× Ming to access database restart and diagnostic tools. This situation has also been encountered before, by starting listening: lsnrctl start start service: sqlplus /nolog, conn /as sysdba, startup to solve the problem (shutdown is to wait for the end of things to close, forced shutdown is to shut down). But it didn't work this time. It was crazy. Later, I looked up some information on the Internet and said that I wanted to reconfigure OEM,emca -config dbcontrol db or emca -config dbcontrol db -repos recreate. Enter this command and follow the prompts to solve the problem.

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