Oracle9iR2 Data WarehousingDigital Press ISBN: 1555582877 519 pages February 6, 2003 CHM 17 Mb"By using Oracle 9i, pre-summarizing data, and storing it in materialized views, reports that used to take 2 hours to run now complete in 2 minutes."
http://ebook.icefile.org/index.php?page=main&id=0c83a412&name=1555582877.rar
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