Data Modeling Techniques for Data Warehousing phần 3 potx
Data modeling techniques for data warehousing
... models will not do.
Chapter 2. Data Warehousing 7
8 Data Modeling Techniques for Data Warehousing
22 Data Modeling Techniques for Data Warehousing
Tables
1. Dimensions, Measures, and Related ... xii Data Modeling Techniques for Data Warehousing
Chapter 9, “Selecting a Modeling Tool” on page 155, an overview of the
functions that a data mo...
ASP.NET 2.0 Everyday Apps For Dumies 2006 phần 3 potx
... identifies the Current Password
field.
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Chapter 3: Designing Secure ASP.NET Applications
08_597760 ch 03. qxp 1/11/06 9: 53 PM Page 71
If the user has logged in with an administrator ... can see an example of how this works in Chapter 4.)
69
Chapter 3: Designing Secure ASP.NET Applications
08_597760 ch 03. qxp 1/11/06 9: 53 PM Page 69
Then, the program could create a S...
A position paper of the EPS Energy for the Future phần 3 potx
... from Argentina, Brazil, Canada, France, Japan, Korea,
South Africa, Switzerland, the United Kingdom, the United States, the International
Atomic Energy Agency, and the OECD Nuclear Energy Agency ... while for some types of reactors the risk of a
catastrophic event is unacceptably high. As a result of these safety problems and
the association of nuclear energy...
Data Warehousing Fundamentals A Comprehensive Guide for IT Professionals phần 3 potx
... Chapter 2:
ț Source data
Production data
Internal data
Archived data
External data
ț Data staging
Data extraction
Data transformation
Data loading
ț Data storage
ț Information delivery
ț Metadata
ț ... internal and external data sources form the source data
architectural component. Source data governs the extraction of data for preparation and
storage in the dat...
new edition grammar practice for elementary students phần 3 potx
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Data Modeling Techniques for Data Warehousing phần 1 ppsx
... by
6 Data Modeling Techniques for Data Warehousing
viii Data Modeling Techniques for Data Warehousing
calling a totally new approach to data modeling. It is called
dimensional
data
modeling, ... . . 15 0
8.4.4.5 Selecting a Data Warehouse Modeling Approach
15 1
Considerations for ER Modeling
15 2
Considerations for Dimensional Modeling
15 2...
Data Modeling Techniques for Data Warehousing phần 2 docx
... assigned to the modeling task rather than
performing their standard business duties.
Chapter 5. Architecting the Data 27
22 Data Modeling Techniques for Data Warehousing
4 .2. 3 A Combined Approach
As ... maintain historical data while reconciling the data. Thus, we can say
reconciled data is a special type of derived data.
24 Data Modeling Techniques for...
Data Modeling Techniques for Data Warehousing phần 3 potx
... key
.
Chapter 6. Data Modeling for a Data Warehouse 37
Chapter 6. Data Modeling for a Data Warehouse
This chapter provides you with a basic understanding of data modeling,
specifically for the purpose ... dimension table as a
46 Data Modeling Techniques for Data Warehousing
6 .3 ER Modeling
A prerequisite for reading this book is a basic knowledge o...
Data Modeling Techniques for Data Warehousing phần 4 pdf
... with the execution of the data warehousing
processes.
50 Data Modeling Techniques for Data Warehousing
Figure 24. Dimensions of CelDial Required for the Case Study
7 .4. 2.3 Creating Facts
Together, ... Fact 2 and Fact 3
62 Data Modeling Techniques for Data Warehousing
For a discussion on selection of a modeling technique, refer to Chapter 8, Data
Wareho...
Data Modeling Techniques for Data Warehousing phần 5 ppsx
... simply adding more
metadata.
72 Data Modeling Techniques for Data Warehousing
8.2 Principal Data Warehouse Modeling Techniques
Listed below are the principal modeling techniques (beyond what ... to
data warehouse modeling.
8.1 Data Warehouse Modeling and OLTP Database Modeling
Before studying data warehouse modeling techniques, it is worthwhile
investiga...
Data Modeling Techniques for Data Warehousing phần 6 pot
... or
find a solution for their problems as well as on the type of data
warehouse application that is being considered for the modeling project.
94 Data Modeling Techniques for Data Warehousing
Figure ... clearly. The user should be informed,
through the business metadata, which sets of determinant dimension keys are
available for each fact.
108 Data Modeling Techniq...
Data Modeling Techniques for Data Warehousing phần 7 ppsx
... source data item. You may also have to deal with
complex derivation formulas, involving several source data items, functional
112 Data Modeling Techniques for Data Warehousing
Figure 72 . The ... page 115.
114 Data Modeling Techniques for Data Warehousing
The Time Dimension:
Because a data warehouse is an integrated collection of
historical data, the abilit...
Data Modeling Techniques for Data Warehousing phần 8 pot
... attributes.
Chapter 8. Data Warehouse Modeling Techniques 145
temporal modeling for producing the historical data model for the data
warehouse. Successful data warehouse modeling requires that the techniques
be ... such modeling techniques may turn out to be required for a particular project,
complexity for end users can be reduced by building a front-end data...
Data Modeling Techniques for Data Warehousing phần 9 pot
... the complete database
or incrementally generate parts of the database.
156 Data Modeling Techniques for Data Warehousing
9. 6 Reporting
Reporting is an important function of the data modeling tool ... Figure 92 . Subset of CelDial Corporate ER Model
168 Data Modeling Techniques for Data Warehousing
Information Engineering, and Zachman notation. An efficient a...
Data Modeling Techniques for Data Warehousing phần 10 docx
... 147
transform 161
triggers 160
two-tiered data modeling 91, 152
V
volatility class 146
W
WSDDM 25
Index 197
194 Data Modeling Techniques for Data Warehousing
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