Answer Posted / guest

Cause: A command was issued that requires the target
database to be mounted, but the target database is not mounted.

Action: Mount the target database controlfile by issuing
ALTER DATABASE MOUNT via Enterprise Manager or Server Manager.

Please add more information about this Error

RMAN-05017: no copy of datafile number found to recover

2154

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ORA-26029: index string.string partition string initially in unusable state

1910

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ORA-26094: stream format error: input column overflow

2545

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ORA-26082: load of overlapping segments on table string.string is not allowed

1542

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ORA-26030: index string.string had string partitions made unusable due to:

1715

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ORA-26076: cannot set or reset value after direct path structure is allocated

1675

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IMG-02003: 2FF03 - incorrect color histogram feature specification

1409

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NZE-28890: Entrust Login Failed

1585

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IMP-00096: Warning: Skipping table "string"."string" because type synonym "string"."string" cannot be created

1398

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When i am connect database through toad,one error occured. ORA-12514: TNS:listener does not currently know of service requested in connect descriptor. plz help me thanks advance.............

2538

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ORA-16516: The current state is invalid for the attempted operation.

8419

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ORA-26027: unique index string.string partition string initially in unusable state

6477

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IMP-00063: Warning: Skipping table "string"."string" because object type "string"."string" cannot be created or has different identifier

2492

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ORA-26032: index string.string loading aborted after string keys

1830

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ORA-26095: unprocessed stream data exists

3241

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