not produce query for business presentation
services and is off-limit to users [6, 13].
Data presentation area: this is the part where
processed data is organized, stored and made
available for direct query by users [6]
Data access tools: these are capabilities that can be
provided to business users to enable them exploit
the presentation area for analytical decision
making. E.g. Business intelligent tools [13]
Data Mart: Is a subset of data warehouse usually
containing data or information of a particular
business line that serves as a medium through
which users access the data warehouse [6].
Meta Data: is a data that describe other data
[15].The figure 1 shows the architecture of the
proposed data warehouse model [13].