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Message Posted: Thu, 28 Feb 2013 @ 10:01:28 GMT


     
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Subj:   Re: Performance of MERGE vs UPSERT
 
From:   Jepamony, Johnpaul

Sughesh,

Merge in Teradata is good alternative to Upsert since it does block update and it also designed to update and insert in a single step. Moreover it requires only single table read to does its operation.

But make sure you are aware of changes with V2R5 and V12 MERGE rules & Limitations.


Thanks

John



     
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