Do I need to restart database in change of spfile?

Hi
All,
Do I need to restart database in change of spfile? my database is in 10.2.0.3 on AIX.
and one more thing when I do more on spfile it displaying the contents that is readable i am thinking that spfile is binary file so how it can be possible.
Thanks,
Vishal

You may be interested in reading this page
http://download.oracle.com/docs/cd/B19306_01/server.102/b14231/create.htm#sthref438
SPFILE is a dynamic file so it does not need any sort of server restart.Also though it can be readable by any utility which can read any binary,its not advisable to read spfile like this.The best (recommended ) way is to create a pfile from it and then alter it if you need it.
Aman....

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I use a swedish keyboard, and some of the comMands are in different places (anyone know where the shift command is, on a Swedish keyboard)
Looks like both Shift keys are in the same place as here...
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Do I need to restart database in change of spfile?

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