Answer / guest

Cause: During ALTER DATABASE MOUNT, an attempt is being made
to mount a database on an instance in which a database is or
has previously been mounted.

Action: If you wish to mount the database, shutdown the
instance and then startup the instance and retry the operation.

Please add more information about this Error

NCR-03016: NCRO: Message has bad address

1 Answers  

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ORA-32810: foreign queue string is not registered

1 Answers  

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TNS-12545: Connect failed because target host or object does not exist

1 Answers  

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ORA-38732: Expected file size string does not match string.

1 Answers  

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CLSS-02201: endpoint already in use: string

1 Answers  

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ORA-30931: Element 'string' cannot contain mixed text

1 Answers  

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ORA-08001: maximum number of sequences per session exceeded

1 Answers  

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ORA-12658: ANO service required but TNS version is incompatible

1 Answers  

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ORA-16775: Target standby in switchover operation has missing redo logs.

1 Answers  

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ORA-28273: No mapping for user nickname to LDAP distinguished name exists.

2 Answers  

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ORA-08455: syntax error in CURRENCY SIGN environment clause

1 Answers  

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ORA-02228: duplicate SIZE specification

1 Answers  

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