Newbie Question - Concatenating quotes

Good morning:

I have another newbie question.

I want to dynamically create "alter system kill session" commands so that operations can shutdown the server at night cleanly.

The syntax I need to generate looks like this:

        alter system kill session 'sid,serial#';

I'm trying to do something like this:

	select 'alter system kill session ' || ''' || sid
	|| ',' || serial# || '';'
	from v$session
	where username != 'oracle7';

which ( obviously to some gurus ) won't run. Can anybody help?

Thanks in advance - Sue

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Sue Kudenchak	Currently SKud, Formerly Sue Arroyo
Plan: 		To grow coconuts in Bora-Bora
Internet:	sarroyo_at_cnj.digex.com