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Message Posted: Wed, 21 Mar 2012 @ 20:27:04 GMT
As per Teradata 13 manuals:
Without a PI, the hash value as well as AMP ownership of a row is arbitrary. Within the AMP, there are no row-ordering constraints and therefore rows can be appended to the end of the table as if it were a spool table. Each row in a NoPI table has a hash bucket value that is internally generated.
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