ORA-00020: maximum number of processes (%s) exceeded

Posted on by Osama Mustafa in Database 
SQL> show parameter processes

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
processes                            integer     150

SQL> select count(*) from v$process;

  COUNT(*)
----------
       149

SQL> alter system set processes=300 scope=spfile;

System altered.

SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.

SQL> startup
ORACLE instance started.

SQL> show parameter processes

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
processes                            integer     300

Thank you
Osama mustafa

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Published by Osama Mustafa

Osama considered as one of the leaders in Cloud technology, DevOps and database in the Middle-East. I have more than ten years of experience within the industry. moreover, certfied 4x AWS , 4x Azure and 6x OCI, have also obtained database certifications for multiple providers. In addition to having experience with Oracle database and Oracle products, such as middle-ware, OID, OAM and OIM, I have gained substantial knowledge with different databases. Currently, I am architecting and implementing Cloud and DevOps. On top of that, I'm providing solutions for companies that allow them to implement the solutions and to follow the best practices.

9 thoughts on “ORA-00020: maximum number of processes (%s) exceeded”

  3. I came across a post saying if we increase Proccesses then we also need to increase sessions and transactions.Is that true.Do we need to do that?

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  5. this queries are written in SQL but I can't enter in SQL because of this ORA-00020: maximum number of processes (%s) exceeded errorhow can I solve this problem?????

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