Mastering Data Warehouse DesignRelational and Dimensional Techniques phần 7 potx
Mastering Data Warehouse DesignRelational and Dimensional Techniques phần 7 potx
... arrange data and indexes within the data-
base and their applicability to the data warehouse environment. Next, we
examine processing techniques to improve load and publication performance.
Data ... everything in this
Data Warehouse Optimization
299
environment, and the only way to ensure proper checks is to handle them at
the database level. A data warehouse, on th...
Mastering Data Warehouse DesignRelational and Dimensional Techniques phần 5 potx
... Indicator
Chapter 6
176
Figure 7. 2 Bill of materials.
77 7 Aircraft
Airframe
77 7A
1
Description
Item
Qty
77 AFA
1
Description
Item
Qty
Left Wing
7LW
1
Description
Item
Qty
Land Gear Asm
7WLG
1
Description
Item
Qty
Interior ... Kit
7ACAB
1
Stnd Avionics
7AVK1
1
Right Wing
7RW
1
Nose Section
7NS
1
Forward Cabin
7FC
1
Rear Cabin
7RC
1
Tail Assembly
7TS
1
Rivet Kit (Wing)
7WRV
1
Tip Light...
Mastering Data Warehouse DesignRelational and Dimensional Techniques phần 1 pptx
... 166
Holiday Season 1 67
Seasons 168
Calendar Time Span 169
Time and the Data Warehouse 169
The Nature of Time 169
Standardizing Time 170
Data Warehouse System Model 172
Date Keys 172
Case Study: Simple ... segregating data into five major databases (oper-
ational systems, data warehouse, operational data store, data marts, and oper
marts) and incorporating processes...
Mastering Data Warehouse DesignRelational and Dimensional Techniques phần 2 pdf
... apply the business data model include operational
systems, data warehouse, and data mart databases, and the model provides
the meta data (or information about the data) for these databases to help ... case of a data warehouse, these inter-
faces include the data acquisition and the data delivery programs, where
and when to perform data cleansing, audits, data main...
Mastering Data Warehouse DesignRelational and Dimensional Techniques phần 3 ppsx
... Table
(Data to be
loaded into
the DW)
Data
Warehouse
SOURCE SYSTEM ENVIRONMENT
Cleansing,
Selection, Change
Data Capture
Archive Data
Load data into
data warehouse
Archived
(Complete)
Source
Data
Extraction
(Extract ... to meet
the data warehouse needs. The business scenario used to develop the data
warehouse data model is the Zenith Automobile Company that we intr...
Mastering Data Warehouse DesignRelational and Dimensional Techniques phần 4 pot
... the data warehouse is to store historical data from dis-
parate systems, the data warehouse data model needs to consider the defini-
tions in the source systems, and we will address the data warehouse ... data provided with the data marts needs to explicitly
explain the data that is included or excluded. This is another advantage of
segregating the functionality of the...
Mastering Data Warehouse DesignRelational and Dimensional Techniques phần 6 pps
...
Chapter 7
224
data warehouse. Finally, the data warehouse refers to both the model and
physical instantiation of the database.
There at two general categories of application interfaces: snapshots and ... data warehouse.
Next, we will discuss the types of interfaces that deliver transaction data to the
data warehouse. We will examine and classify the different forms su...
Mastering Data Warehouse DesignRelational and Dimensional Techniques phần 8 pptx
... (Unique)
ID
Parent
1DGS902
1HUE039
2UUE384
2ZUD923
3ABD038
3KES734
3IEK299
3JSU823
3LOP929
3LMN3 47
3SDF293
Row
2
1
3
2
7
3
5
4
3
5
10
6
root
7
6
8
11
9
7
10
10
11
<
1
2
4
8
3
6
9
>
5
10
11
=
Data Warehouse Optimization
303
Figure ... Method
Payment Frequency
other attributes
Data Warehouse Optimization
3 17
Lack of completeness. The data ware...
Mastering Data Warehouse DesignRelational and Dimensional Techniques phần 9 pdf
... the data in the chosen mart for what data belongs
in the data warehouse data versus the data used in the data mart. Your job
is to separate the data into the data model for the data warehouse and ... The data
acquisition programs are designed, coded, tested, and executed. You then
begin loading the data warehouse.
3. Map the data mart data model to the dat...
Mastering Data Warehouse DesignRelational and Dimensional Techniques phần 10 docx
... 73
conclusion, 72 73
consolidation and preparation for
second, 76 77
education on relevant concepts and
process, 72 73
excluding irrelevant subject areas,
74 75
first session, 72 76
follow-on work, 78
follow-up ... 368– 371
from data mart chaos, 3 67 380
data warehouse creation, 373 – 377
data warehouse data model creation,
371 – 373
Subject Area Model The sub...
Từ khóa: