RE: avoid duplicate sql

No script, but an idea.

Insert into a transaction table first. Then insert from your transaction table only the records that do not already exist in your data table.

> -----Original Message-----
> From: Tatireddy, Shrinivas (MED, Keane)
> [mailto:Shrinivas.Tatireddy_at_med.ge.com]
> Sent: Wednesday, August 08, 2001 9:15 AM
> To: Multiple recipients of list ORACLE-L
> 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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Author: Page, Bruce
  INET: Bruce.Page_at_BellSouth.com

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