Abstract:
Syncsort, a software vendor with years of experience in the sorting of data, has released a new product called Sigma™, which
is designed to produce aggregated data within data warehouses to improve response time and reduce database load. The importance
of aggregation in a data warehouse cannot be unde (...)
Excerpt related to
avg grisoft:
... (An aggregate is defined by Ralph Kimball in his "Data Warehouse Toolkit" as "the items
in a SQL Select list that are one of: SUM, COUNT, MIN, MAX, or AVG"). ...
Published:
2000-07-25