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...

Ngày tải lên: 08/08/2014, 22:20

... 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

... the CIF and MD Architectures 3 89 Scope 3 89 Perspective 391 Data Flow 391 Volatility 392 Flexibility 394 Complexity 394 Functionality 395 Ongoing Maintenance 395 Summary 396 Glossary 397 Recommended ... Fiscal Calendars 190 Analysis 191 Expanding the Calendar 192 Case Study: Seasonal Calendars 193 Analysis 193 Seasonal Calendar Structures 194 Delivering Seasonal Data 19...

Ngày tải lên: 08/08/2014, 22:20

... 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...

Ngày tải lên: 08/08/2014, 22:20

... 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...

Ngày tải lên: 08/08/2014, 22:20

... Balls White 98 254 792 -3 Golf Balls Yellow 98 299 322-12 Golf Balls White Women's Clothing Men's Clothing Children's Clothing Sporting Goods 98 293 092 – 3 Golf Balls White 98 254 792 – 3 Golf ... 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 compon...

Ngày tải lên: 08/08/2014, 22:20

... 1/1/ 190 0 1/1 /99 99 B E 1/1/ 190 0 1/1 /99 99 B F 1/1/ 190 0 1/1 /99 99 A C 1/1/ 190 0 1/1 /99 99 C G 1/1/ 190 0 1/1 /99 99 C H 1/1/ 190 0 1/1 /99 99 C I 1/1/ 190 0 1/1 /99 99 A D 1/1/ 190 0 1/1 /99 99 D J 1/1/ 190 0 1/1 /99 99 D ... 1/1 /99 99 D K 1/1/ 190 0 1/1 /99 99 A 1/1/ 190 0 1/1 /99 99 E 1/1/ 190 0 1/1 /99 99 F 1/1/ 190 0 1/1 /99 99 G 1/1/ 190 0 1/1 /99 99 H 1/1/ 190...

Ngày tải lên: 08/08/2014, 22:20

... Date 03/02/2003 03/02/2003 10023 003 002 03/05/2003 5180 Key 7682 1 091 1 Key 1 091 2 82312 Key 82313 1 091 3 1 091 4 890 52 1 091 1 Order Header Line 1 091 2 1 091 3 1 091 4 1 091 1 1 091 2 1 091 3 1 091 4 5180 7682 5180 5180 5180 7682 7682 7682 1 091 3 Order Line Line Schedule 1 091 3 1 091 3 1 091 3 5180 7682 5180 7682 82312 82313 890 52 82312 Chapter ... everything in this Data Wareh...

Ngày tải lên: 08/08/2014, 22:20

... (Unique) ID Parent 1DGS902 1HUE0 39 2UUE384 2ZUD923 3ABD038 3KES734 3IEK 299 3JSU823 3LOP9 29 3LMN347 3SDF 293 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 9. 13 ... indexes. Figure 9. 7 Simplified b-tree index structure. Cars ID Type Color other 1DGS902 Sedan White … 1H...

Ngày tải lên: 08/08/2014, 22:20

... 294 dates, 293 indexes, 296 – 299 manageability, 293 – 294 motivation, 290 – 296 performance, 296 – 298 reasons for, 290 – 296 partitions, 293 – 296 Patients subject area, 67 PeopleSoft, 9 performance and ... 88 incremental backups and active partitions, 293 index-clustered tables, 301 indexes databases, 300–3 09 global, 296 – 299 high-cardinality, 3 09 local, 296 – 299 pa...

Ngày tải lên: 08/08/2014, 22:20