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March 19, 2013 / doganay

ORA-02391: exceeded simultaneous SESSIONS_PER_USER limit


Problem:

ORA-02391: exceeded simultaneous SESSIONS_PER_USER limit.


While:

Trying to logon.

Solution:

It is because you start paralel jobs.

(e.g. select /*+ parallel(a,8) */ from table1 a ...)

Either kill those sessions or increase SESSIONS_PER_USER value of your profile.

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