Mastering Data Warehouse DesignRelational and Dimensional Techniques phần 8 pptx
Mastering Data Warehouse DesignRelational and Dimensional Techniques phần 8 pptx
... (Unique) ID Parent 1DGS902 1HUE039 2UUE 384 2ZUD923 3ABD0 38 3KES734 3IEK299 3JSU823 3LOP929 3LMN347 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 ... system model and require changes to the processes that load and deliver data in the data warehouse. Because of the side effects of suc...
Ngày tải lên: 08/08/2014, 22:20
Mastering Data Warehouse DesignRelational and Dimensional Techniques phần 1 pptx
... Development Process 285 Optimizing Design and Analysis 286 Optimizing Application Development 286 Selecting an ETL Tool 286 Optimizing the Database 288 Data Clustering 288 Table Partitioning 289 Reasons ... Galemmo Jonathan G. Geiger Mastering Data Warehouse Design Relational and Dimensional Techniques Case Study: A Multilingual Calendar 184 Analysis 185 Storing Multi...
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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...
Ngày tải lên: 08/08/2014, 22:20
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 ... added to the data warehouse) and usage (to reduce the need to join data to satisfy queries. These steps help organize the data to meet performance o...
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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 ... of the data warehouse and the data marts. Data acquisition performance. The level of granularity may (or may not) significantly impact the data acquisition perf...
Ngày tải lên: 08/08/2014, 22:20
Mastering Data Warehouse DesignRelational and Dimensional Techniques phần 5 potx
... be handled in the data marts rather than the data warehouse. The first two approaches, database and query tool localization, rely on functionality of those software components to handle data presentation. ... patterns and rates, and a common standard time to analyze network traffic. If there is a requirement for a common standard time, you must store the local time and date as...
Ngày tải lên: 08/08/2014, 22:20
Mastering Data Warehouse DesignRelational and Dimensional Techniques phần 6 pps
... Loaf Potatoes 01160ENTR02319 01160ENTR02323 01160ENTR04392 SKU 0092 081 98 0092020 28 009203293 0103172 98 … … … … 0103 184 18 … 0103105 98 … Chapter 7 2 18 have only a collection of leaves. The recursive process ... Entities) 0123 081 98 0123020 28 012303293 0123172 98 LAC Creamed Corn LAC Broccoli w Cheese LAC Au Gratin Potatoes LAC Mashed Potatoes 121 122 123 124 0123 184 18 LAC...
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Mastering Data Warehouse DesignRelational and Dimensional Techniques phần 7 potx
... Date 03/02/2003 03/02/2003 10023 003 002 03/05/2003 5 180 Key 7 682 10911 Key 10912 82 312 Key 82 313 10913 10914 89 052 10911 Order Header Line 10912 10913 10914 10911 10912 10913 10914 5 180 7 682 5 180 5 180 5 180 7 682 7 682 7 682 10913 Order ... 3 10030 38 1 10030 38 2 10030 38 3 10030 38 4 10030 38 5 Invoice Header Rows 1002930 data 2 ID Line 1002930 10030 38 Invo...
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Mastering Data Warehouse DesignRelational and Dimensional Techniques phần 9 pdf
... Line Staging Data Store Data Warehouse Data Mart Data Mart Data Mart • Users Access Transactions Data Warehouse Bus Aggregated Data Mart Personal Data Mart Aggregated Data Mart Atomic Data Mart Atomic Data ... 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...
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Mastering Data Warehouse DesignRelational and Dimensional Techniques phần 10 docx
... 180 optimizing analysis, 286 application development, 286 – 288 databases, 288 –310 design, 286 development process, 287 – 288 system model, 310–317 Option entity, 89 , 105 Option Package entity, 89 , ... 30 types, 35–45 data stewards, 82 , 325, 3 48 349 data stewardship, 323–324, 346, 374 data subject, 31 data summaries and misleading results, 1 28 data warehouse appli...
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