Dynamically changing Init Parameters

Hi,
We are going to upgrade our database from 10.1.0.5 to 10.2.0.5.
The database is running on pfile.
SQL> show parameter pfile
NAME TYPE VALUE
spfile string
After running the preupgrade tool, got the below warnings.
Update Parameters: [Update Oracle Database 10.2 init.ora or spfile]
WARNING: --> "streams_pool_size" needs to be increased to at least 50331648
WARNING: --> "session_max_open_files" needs to be increased to at least 20
I dont find these parameters in the pfile. Is it possible to alter these parameters dynamically?
Can i add these parameters to the pfile before upgrading the database?
SQL> show parameter streams
NAME TYPE VALUE
streams_pool_size big integer 0
SQL> show parameter session_max_open_files
NAME TYPE VALUE
session_max_open_files integer 10
Thanks,
Pradeep

As noted, if values are not explicitly set, they assume default values - see the documentation
http://docs.oracle.com/cd/B14117_01/server.101/b10755/initparams209.htm#REFRN10243
http://docs.oracle.com/cd/B14117_01/server.101/b10755/initparams187.htm#REFRN10196
HTH
Srini

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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
If someone helped you out, please select their post as the solution and/or give them Kudos!
Solved!
Go to Solution.
Attachments:
Init HWC Device.vi ‏24 KB
Run HWC Device.vi ‏30 KB

Through trial and error I was able to come up with a way to do this:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
If someone helped you out, please select their post as the solution and/or give them Kudos!

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