Building the Data Warehouse Third Edition phần 2 doc
Building the Data Warehouse Third Edition phần 2 doc
... the data warehouse environment.
Two operating components are monitored on a regular basis: the data residing
in the data warehouse and the usage of the data. Monitoring the data in the data
warehouse ... one of the essences of the data warehouse is the flexible access of
data. Large masses of data defeat much of the purpose of the data wareho...
Building the Data Warehouse Third Edition phần 3 doc
... B
company A
Figure 2. 27 Multiple reports make the cost of the data warehouse worthwhile.
product
customer
transaction
vendor
Figure 2. 28 The data in the different parts of the data warehouse are grouped ... to the corporate data model as
it is applied to the data warehouse. First, data that is used purely in the
The Data Warehouse and Design
89
the c...
Building the Data Warehouse Third Edition phần 4 doc
... support.
The data in the data warehouse is analyzed, and periodically the data is placed
in the ODS. The data that is shipped to the ODS is shipped in the form of profile
data, which is data that ... between the data
found in the data warehouse and the profile data found in the class IV ODS.
CHAPTER 3
144
ODS
Fig 3.57 The data warehouse support...
Building the Data Warehouse Third Edition phần 7 docx
... unstructured data is not asso-
ciated with a data warehouse, then there is the very real chance that different
External/Unstructured Data and the Data Warehouse
27 1
data
warehouse
unstructured
data
external
data
meta ... local data warehouses. The corporate data model acts as the glue that holds
the different local data warehouses together, as far as their...
Building the Data Warehouse Third Edition phần 1 ppt
... Distributed Data Warehouse 20 1
Types of Distributed Data Warehouses 20 2
Local and Global Data Warehouses 20 2
The Technologically Distributed Data Warehouse 22 0
The Independently Evolving Distributed Data ... Warehouse 22 1
The Nature of the Development Efforts 22 2
Completely Unrelated Warehouses 22 4
Distributed Data Warehouse Development 22 6
Coordina...
Building the Data Warehouse Third Edition phần 5 pptx
... In the case of the data warehouse, the legacy data is
passed only once to refresh the data in the data warehouse.
■■
The complexity of moving data directly from the legacy environment to the
multidimensional ... a data warehouse onto different vendor platforms is not advisable.
Meta Data in the Data
Warehouse Environment
The role of meta data in t...
Building the Data Warehouse Third Edition phần 6 ppt
... extent in the content of
data. Figure 6 .24 shows the building and population of the corporate data ware-
house from the local levels.
The source of the data going to the corporate data warehouse ... the
data for the warehouse.
Now two servers hold the
data for the warehouse.
The number of servers that hold the
warehouse data can be expanded ad...
Building the Data Warehouse Third Edition phần 8 ppsx
... reorganizes data. The data passes out of the Granular-
ity Manager into the data warehouse.
The interface for moving data from the warehouse to the Web is a little more
complex. Data passes from the data ... suppose there’s
The Data Warehouse and the Web
29 9
Data
Warehouse
GM
Figure 10 .2 Data passes through the Granularity Manager before enterin...
Building the Data Warehouse Third Edition phần 9 ppsx
... ODS is fed from the data warehouse. The data needed to
create the profile in the class IV ODS is found in the data warehouse.
57. What testing facility will there be for the data warehouse?
ISSUE: ... with the volume of data actu-
ally in the data warehouse environment. The analysis of the volume of data
in the data warehouse environment leads di...
Building the Data Warehouse Third Edition phần 10 potx
... data,
82 83, 86
detail levels, 23 9, 24 2
detailed data, EIS, 26 1
developing distributed data
warehouses, 22 5 22 7
development, 22 2 22 4
development life cycle, 21
direct data access, 129
DIS (Data ... data changes,
data warehouse
design, 85
local data, intersection with
global data, 21 1 21 3
local data warehouses,
20 2 20 5
data access, 21 6 21 9
redundan...
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