Try with "merge". On 03/08/2004 03:04:58 AM, "Kommareddy, Srinivas (MED, Wissen Infotech)" wrote: > 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 > -- Mladen Gogala Oracle DBA ---------------------------------------------------------------- Please see the official ORACLE-L FAQ: http://www.orafaq.com ---------------------------------------------------------------- To unsubscribe send email to: oracle-l-request@xxxxxxxxxxxxx put 'unsubscribe' in the subject line. -- Archives are at //www.freelists.org/archives/oracle-l/ FAQ is at //www.freelists.org/help/fom-serve/cache/1.html -----------------------------------------------------------------