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Home -> Community -> Mailing Lists -> Oracle-L -> Re: Database up longer that host?
Stephen,
If I was in your position I would go and explain to your boss that your "mad DBA skillz" have resulted in a database that has better uptime than it's physical host even, and discuss a pay rise! Fixing the script will probably return your status to "mere mortal DBA".
Meg Crocker
<crocker_at_monste To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
rtrak.com> cc:
Sent by: Subject: Re: Database up longer that host?
root_at_fatcity.co
m
03/12/2002
12:33
Please respond
to ORACLE-L
On Mon, 2 Dec 2002, Stephane Faroult wrote:
> Stephen Andert wrote:
> >
> > I use a script named db_uptime.sql (I think I got it from the list
here)
> > to calculate how long the database has been up. The output compares
> > nicely to the unix uptime command.
>
> I hope that the query doesn't come from the list, because it is
> wrong. The error is to apply floor() before multiplying by 24 or 60 -
> you have tremendous rounding errors.
> My own database has not been up long enough to be 100% sure about it but
> I believe the following to be correct :
Hi:
Neither of the scripts works for me. Try this?
select
'Host Name : '||host_name|| chr(10)||
'Instance Name : '||instance_name|| chr(10)||
'Uptime : ' ||floor(xx)||'days '
|| floor( 24 * (xx - floor(xx)) ) || 'hours '
|| round( 60 * (24 * xx - floor(24 * xx))) || 'minutes
'
from (
select host_name,instance_name ,(sysdate-STARTUP_TIME) xx
from v$instance
)
Meg Crocker
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