Building the Data Warehouse Third Edition phần 3 doc

... 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

... the data warehouse environment. Two operating components are monitored on a regular basis: the data residing in the data warehouse and the usage of the data. Monitoring the data in the data warehouse ... one of the essences of the data warehouse is the flexible access of data. Large masses of data defeat much of the purpose of the data wareho...

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 3 144 ODS Fig 3. 57 The data warehouse supports a class IV ODS. Uttama Reddy Data warehouse data ... Figure 3. 57 shows this support. The data in the data warehouse is analyzed, and periodically the data is placed in the ODS. The data that is...

Ngày tải lên: 08/08/2014, 22:20

... local data warehouses. The corporate data model acts as the glue that holds the different local data warehouses together, as far as their intersection at the global data warehouse is concerned. There ... different groups for detailed data in the data warehouse. The data model forms the basis of the design for the data warehouse. Fig- ure 6 .33 shows that...

Ngày tải lên: 08/08/2014, 22:20

... the Data Warehouse 31 1 ERP Applications Outside the Data Warehouse 31 2 Building the Data Warehouse inside the ERP Environment 31 4 Feeding the Data Warehouse through ERP and Non-ERP Systems 31 4 The ... Review? 32 3 What Should the Agenda Be? 32 3 The Results 32 3 Administering the Review 32 4 A Typical Data Warehouse Design Review 32 4 Summ...

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 ... a data warehouse onto different vendor platforms is not advisable. Meta Data in the Data Warehouse Environment The role of meta data in t...

Ngày tải lên: 08/08/2014, 22:20

... for each local data warehouse. For instance, the way that the Hong Kong data maps into the global data warehouse is different from how the Brazil data maps into the global data warehouse, which ... population of the corporate data ware- house from the local levels. The source of the data going to the corporate data warehouse can come from the local...

Ngày tải lên: 08/08/2014, 22:20

... is that the data warehouse is ERP and the Data Warehouse 31 3 data marts DSS applications exploration warehouse data warehouse ERP Figure 11.2 The ERP environment feeds the external data warehouse. Uttama ... reorganizes data. The data passes out of the Granular- ity Manager into the data warehouse. The interface for moving data from the 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

... 32 7 flowback, 33 7 Granularity Manager, 34 0 granularity of data, 33 1 indexing data, 33 0 loading issues, 33 3 locating data, 33 7 logging, 33 6 managing data access, 33 1 meta data storage, 33 5 migration ... plans, 32 6 outages, 33 3 partitioning, 33 8 physical data organization, 32 9 processing capacity requirements, 33 2 processing charges, 33 8 processing vo...

Ngày tải lên: 08/08/2014, 22:20