data warehousing architecture andimplementation phần 1 pptx
Tài liệu Triển khai Data Protection Manager 2007 (Phần 1) pptx
... hành 32bit hoặc x64 Cài đặt Data Protection Manager 2007 Triển khai Data Protection Manager 2007 (Phần 1) Ngu ồn : quantrimang.com Anderson Patricio Data Protection Manager (DPM) của Microsoft ... Kết luận Trong bài này chúng tôi đã giới thiệu một cách tổng quan về Data Protection Manager 2007 và cách triển khai một giải pháp. Trong bài tiếp...
Ngày tải lên: 12/12/2013, 04:15
Phục hồi Data đã mất bằng công cụ trong Windows 7 phần 1 pptx
... Excel (Shift + Delete). Và sửa tên file Word. Công việc chuẩn bị đầu tiên đã xong, bây giờ chúng ta sẽ sử dụng Previous Versions để khôi phục lại các file này về trạng thái ban đầu, trước ... versions (hoặc Properties -> Previous Versions). Cả 3 file được đặt trong cùng thư mục Sample Files. Sau đó sửa đổi 1 chút với 3 file trên. Thêm 2 dòng vào file tex...
Ngày tải lên: 31/07/2014, 19:20
Mastering Data Warehouse DesignRelational and Dimensional Techniques phần 1 pptx
... Calendar 16 4 The Factory Calendar 16 4 Calendar Elements 16 5 Day of the Week 16 5 Holidays 16 6 Holiday Season 16 7 Seasons 16 8 Calendar Time Span 16 9 Time and the Data Warehouse 16 9 The Nature of Time 16 9 Standardizing ... from a Recognized Standard 14 9 Surrogate Key 14 9 Dimensional Data Mart Implications 15 1 Differences in a Dimensional Model 15 2 Maintain...
Ngày tải lên: 08/08/2014, 22:20
Java Data Access—JDBC, JNDI, and JAXP phần 1 pptx
... Types 11 0 In This Chapter 11 0 Java, Databases, and Data Types 11 0 Java to−JDBC Data Type Mappings 11 1 JDBC−to Java Data Type Mappings 11 4 Standard SQL data types 11 4 Advanced SQL data types 11 8 ii ... ResultSetMetaData objects 13 5 ResultSetMetaData example 13 6 The DatabaseMetaData Interface 14 0 Creating DatabaseMetaData objects 14 1 Using DatabaseMetaData ob...
Ngày tải lên: 14/08/2014, 06:21
data warehousing architecture andimplementation phần 1 pptx
... decision-making, as shown in Figure 1- 13 . The data warehouse also contains data obtained from external sources, whenever this data is relevant to decision-making. Figure 1- 13 Decision Support Decision ... In Summary 13 . Warehouse Metadata Metadata Are a Form of Abstration Why Are Metadata Important? Metadata Types Versioning Metadata as the Basis for Automatin...
Ngày tải lên: 14/08/2014, 06:22
data warehousing architecture andimplementation phần 2 potx
... such as data warehousing, in both business and technology. Figure 1 -22 reprises the InfoMotion Enterprise Architecture, the elements of which we have discussed. Figure 1 -22 The InfoMotion Architecture ... integrated view of the data in the operational systems. Table 2- 1 compares the data warehouse with the Operational Data Store. Table 2- 1. Data Warehouses vs. Opera...
Ngày tải lên: 14/08/2014, 06:22
data warehousing architecture andimplementation phần 3 pdf
... unrelated data marts. Metadata Administrator The metadata administrator defines metadata standards and manages the metadata repository of the warehouse. The workload of the Metadata Administrator ... any data warehousing effort. This chapter attempts to answer the typical questions of CIOs who participate in data warehousing initiatives. How Do I Support the Data Warehouse?...
Ngày tải lên: 14/08/2014, 06:22
data warehousing architecture andimplementation phần 4 ppsx
... the data warehouse, as illustrated in Figure 5-9 . Figure 5-9 Tiered Data Warehousing Architecture It will not be unusual to find an enterprise with the following tiered data warehousing architecture: ... Figure 4- 4 illustrates the Operational Data Store architecture. How Important Is the Hardware Platform? Although the mainframe environment is also used as a data...
Ngày tải lên: 14/08/2014, 06:22
data warehousing architecture andimplementation phần 5 pdf
... Preliminary Architecture per Rollout At a minimum, the preliminary architecture should indicate the following: ã Data warehouses and data mart. Define the intended deployment of data warehouses ... and data marts for each rollout. Indicate how the different databases are related (i.e., how the databases feed one another). The warehouse architecture must ensure that the di...
Ngày tải lên: 14/08/2014, 06:22
data warehousing architecture andimplementation phần 6 ppsx
... Enterprise/Integrator ã Data Mirror. Transformation Server ã Informatica. PowerMart Designer Data Quality Tools Data quality tools assist warehousing teams with the task of locating and correcting data errors ... for the data warehouse. Several types of transformations are typically implemented in data warehousing. ã Format changes. Each of the data fields in the operati...
Ngày tải lên: 14/08/2014, 06:22
data warehousing architecture andimplementation phần 7 pdf
... Trail for Data Transformation Metadata document the transformation of source data into warehouse data. Warehouse metadata must be able to explain how a particular piece of warehouse data was ... summarized data. Figure 13-1 Metadata Example for Warehouse Fields Figure 13-2 Metadata Example for Warehouse Dimensions In data warehousing, abstraction is applied to the dat...
Ngày tải lên: 14/08/2014, 06:22
data warehousing architecture andimplementation phần 8 ppsx
... expected. Metadata as the Basis for Automating Warehousing Tasks Although metadata have traditionally been used as a form of after-the-fact documentation, there is a clear trend in data warehousing ... dimensional data warehouse or data mart into the tool. Warehouse Designer then uses the metadata as the basis for generating the SQL Data Definition Language (DDL) statements...
Ngày tải lên: 14/08/2014, 06:22
data warehousing architecture andimplementation phần 9 pps
... delete data from the data warehouse or the data mart. Using Derived Columns R/OLAPXL allows you to enter formulas to derive new values based on data retrieved from the data warehouse or data ... past, the retrieved data should still be visible on the worksheet. Running the report causes R/ OLAPXL to retrieve the requested data from the database. Any previously retriev...
Ngày tải lên: 14/08/2014, 06:22
data warehousing architecture andimplementation phần 10 pdf
... (http://www.pwp.starnetinc.com/larryg/index.html) Data Warehousing on the World Wide Web (http://www.datawarehousing.com) The Data- Warehouse.Com Site (http://www .data- warehouse.com/) The Data Warehousing Knowledge ... warehouse objects database. Appendix C. Online Data Warehousing Resources A number of data warehousing resources are freely available on the Worl...
Ngày tải lên: 14/08/2014, 06:22
computer organization and architecture phần 1 pptx
... slides). I. OVERVIEW. (25-Jan-99) 1. Introduction. 2. Computer Evolution and Performance. Organization and Architecture (1. 1) ã Computer Architecture refers to those attributes of a system ... courses in Computer Organization and Architecture in the Computer Science and Engineering departments. This text provides a clear, comprehensive presentation of th...
Ngày tải lên: 14/08/2014, 20:21