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Message Posted: Sun, 05 Apr 2015 @ 15:23:30 GMT


     
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Subj:   Re: Inserting/Updating same target table simultaneously by multiple sessions without locking
 
From:   Dave Wellman

Hi,

Neither of those options will work for you.

Both INSERT/SELECT and MERGE take table level, write locks of the target table.

If this process has its source data outside of Teradata then you can use TPT. A TPT job can read data from multiple sources and then insert the data into a single table.


Regards,

Dave

Ward Analytics Ltd - Information in motion (www.ward-analytics.com)



     
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