Answer / guest

Cause: During ALTER DATABASE, an attempt was made to open a
database on an instance for which there is already an open
database.

Action: If you wish to open a new database on the instance,
first shutdown the instance and then startup the instance
and retry the operation.

Please add more information about this Error

ORA-13123: invalid <TOPOLOGY> name specified

1 Answers  

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ORA-30455: summary contains VARIANCE without corresponding SUM & COUNT

1 Answers  

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ORA-30159: OCIFileOpen: Cannot create the file or cannot open in the requested mode

1 Answers  

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DRG-11115: a value for string must be specified

1 Answers  

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TNS-01173: Missing or inappropriate PRESPAWN_MAX parameter from SID_DESC

1 Answers  

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NID-00417: Change of database ID failed.

1 Answers  

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DRG-11864: Unknown Access Authentication Scheme

1 Answers  

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ORA-29298: Character set mismatch

1 Answers  

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ORA-22819: scope of input value does not correspond to the scope of the target

1 Answers  

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ORA-23315: repcatlog version or request string is not supported by version string

1 Answers  

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ORA-09747: pw_detachPorts: server call pws_detach failed.

1 Answers  

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ORA-19032: Expected XML tag string got string

1 Answers  

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