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Re: avoid duplicate sql

From: Jon Walthour <jonw_at_fuse.net>
Date: Wed, 08 Aug 2001 06:10:04 -0700
Message-ID: <F001.003640DC.20010808062055@fatcity.com>

Srinivas:

How about this:

select sid

     , serial#
  from sys.v_$session
 where (sysdate-logon_time) <= (30/(24*60));

This will give you a list of all the sessions that have been connected for 30 minutes or less.

HTH Jon Walthour

>
> From: "Tatireddy, Shrinivas (MED, Keane)" <Shrinivas.Tatireddy_at_med.ge.com>
> Date: 2001/08/08 Wed AM 09:15:26 EDT
> To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
> Subject: avoid duplicate sql
>
> Hi lists
>
> i need help in writing a sql query:
>
> i am trying to capture the session information from v$session and
> inserting the same into someother table xyz with columns username,
> logon_time. (scott logged in at 10:30 hrs)
>
> i put this script in cron. it runs every 30 minutes. but i need the
> values shoudld not be duplicated.
>
> Every time the shell script runs, it inserts values into XYZ. table.
> Here i need your help. The values should not be duplicated that are
> being insreted into xyz.
>
> since username,logon_time are composite primary key, system will not
> accept duplicates.
>
> Because, in the v$session, if the user stays more than 30 minutes, his
> values will be sent to xyz table and as already xyz has that row
> (inserted before 30 minutes by shell), system will deny to insert the
> duplicate the value into xyz.
>
> any scripts? scripts?
>
> thanx in advance
> srinivas
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Tatireddy, Shrinivas (MED, Keane)
> INET: Shrinivas.Tatireddy_at_med.ge.com
>
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Jon Walthour
  INET: jonw_at_fuse.net

Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
San Diego, California        -- Public Internet access / Mailing Lists
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Received on Wed Aug 08 2001 - 08:10:04 CDT

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