ORA-00021: session attached to some other process

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ORA-00021: session attached to some other process

Postby forum_admin » Thu Aug 14, 2014 8:09 pm

error code: ORA-00021
ORA-00021: session attached to some other process; cannot switch session in Oracle DB?


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Re: ORA-00021: session attached to some other process

Postby Guest » Thu Aug 14, 2014 9:07 pm

Cause: The user session is currently used by others.
Action: Do not switch to a session attached to some other process.

Possible steps to solve this error:
1) Avoid switching to a session that is attached to some other process.


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