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Archives of the TeradataForumMessage Posted: Wed, 06 Jul 2005 @ 22:50:03 GMT
1 ) Access to a partition should be a single AMP operation. 2 ) TD uses hashing to distribute data to disk storage and this hashing is done by the primary index values which decides where, a particular row would reside. Because of the above to reasons, it makes sense to have partitioning column in the index. Correct me if I am wrong Rakesh Gandham
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