Building the Data Warehouse Third Edition phần 1 ppt

... Uttama Reddy Chapter 11 ERP and the Data Warehouse 311 ERP Applications Outside the Data Warehouse 312 Building the Data Warehouse inside the ERP Environment 314 Feeding the Data Warehouse through ... Development 10 2 Normalization/Denormalization 10 2 Snapshots in the Data Warehouse 11 0 Meta Data 11 3 Managing Reference Tables in a Data Warehou...

Ngày tải lên: 08/08/2014, 21:23

... 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 ... get from the data warehouse to the operational source of data. Yet another important reason for the careful management of meta data in the...

Ngày tải lên: 08/08/2014, 22:20

... hold the data for the warehouse. The number of servers that hold the warehouse data can be expanded ad infinitum (at least in theory) for as much data as desired in the data warehouse. day 1 day ... Should the locally staged global data warehouse be emptied after the The Distributed Data Warehouse 211 Uttama Reddy ■■ What technology is the local data...

Ngày tải lên: 08/08/2014, 22:20

... am 408-223-7745 April 13 10 :15 am to 10 : 21 am 408-223-7745 operator assisted April 15 11 : 01 am to 11 : 21 am 415 -964-4738 April 15 11 :39 am to 12 : 01 pm 703-570-5770 incomplete April 15 12 :10 pm to 12 :46 pm 703-8 41- 5770 ... pm 408-223-7745 April 13 9 :12 am to 9:23 am 408-223-7745 April 13 10 :15 am to 10 : 21 am 408-223-7745 operator assisted April 15 11 :...

Ngày tải lên: 08/08/2014, 22:20

... 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 corporate model, the operational model, and the data ... applications to gather information. This task includes the following: ■■ Finding the data needed for the report ■■ Accessing the data ■■ Integrating the d...

Ngày tải lên: 08/08/2014, 22:20

... between the data found in the data warehouse and the profile data found in the class IV ODS. CHAPTER 3 14 4 ODS Fig 3.57 The data warehouse supports a class IV ODS. Uttama Reddy Data warehouse data ... 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 sh...

Ngày tải lên: 08/08/2014, 22:20

... 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 2 71 data warehouse unstructured data external data meta ... actual External/Unstructured Data and the Data Warehouse 275 corporate sales (in millions) industry sales (in billions) 19 90 19 91 1992...

Ngày tải lên: 08/08/2014, 22:20

... is that the data warehouse is ERP and the Data Warehouse 313 data marts DSS applications exploration warehouse data warehouse ERP Figure 11 .2 The ERP environment feeds the external data warehouse. Uttama ... things that are done to the data in the Web environment before becoming useful in the data warehouse are the fol- lowing: The Data Warehou...

Ngày tải lên: 08/08/2014, 22:20

... 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...

Ngày tải lên: 08/08/2014, 22:20

... of data movement, 11 8 12 1 G global data, intersection with local data, 211 – 213 global data warehouses, 202–209 data access, 216 – 219 redundancy with local data, 214 – 215 granularity, 43–46, 14 7 data ... data changes, data warehouse design, 85 local data, intersection with global data, 211 – 213 local data warehouses, 202–205 data access, 216 – 219 redunda...

Ngày tải lên: 08/08/2014, 22:20