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Message Posted: Wed, 24 Jun 2009 @ 14:03:49 GMT


     
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Subj:   Re: ET in Teradata DELETE MLOAD
 
From:   Dieter Noeth

Victor Sokovin wrote:

  Good question. I don't think I ever had to inspect the ET table after the MLOAD DELETE so don't have ready-to-use examples but I can imagine it may possibly be populated by rows which were not deleted due to, say, potential violation of hard-coded referential integrity with other tables. Not that I had to use the latter in Teradata either so my suggestion is purely hypothetical and requires validation by experiments.  


Hi Victor/Anomy,

i wondered about that ET table for years and still don't have any satisfying answer :-)

One of the proposed answer was: A programmer just forgot to remove it when changing source code from IMPORT to DELETE MLOAD...

At least it can't be Foreign Keys/Triggers, because both are not supported by MLoad, so it's one of those "features".


Dieter



     
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