基本概念—数据仓库
Data warehouse is a subject oriented,
integrated,non-volatile and time
variant collection of data in support of
management’s decision ——
[Inmon,1996].
Data warehouse is a set of methods,
techniques,and tools that may be
leveraged together to produce a
vehicle that delivers data to end-users
on an integrated platform ——
[Ladley,1997].
Data warehouse is a process of
crating, maintaining,and using a
decision-support infrastructure ——
[Appleton,1995][Haley,1997][Gardner
1998].