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query help

From: Kommareddy, Srinivas (MED, Wissen Infotech) <Srinivas.Kommareddy_at_med.ge.com>
Date: Mon, 8 Mar 2004 02:04:58 -0600
Message-ID: <1C9727B12F498543A43CBB988F30515C0287EA05@uswaumsx14medge.med.ge.com>


HI All,  

I want to perform date load from table A to table B. Its failing with unique constraitn problem.  

Could someone post me to find out the rows that are already existing in TABLE B (target table) (which are in table A i.e. source table).  

(better than a union all)
 

(tables are big they have more than 1 million rows)
   

Tx and Regards,
Srinivas



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Received on Mon Mar 08 2004 - 02:02:00 CST

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