Archives of the TeradataForum
Message Posted: Thu, 15 Jan 2003 @ 21:55:35 GMT
The small table is duplicated and resides in spool on each amp. A merge join strategy cannot be employed because the spool cannot be sorted to same PI as the large table.
So, a product join strategy is employed with a "where a_key = b_key" constraint to do the result filtering.
|Copyright 2016 - All Rights Reserved|
|Last Modified: 27 Dec 2016|