data warehouse design tutorial

21 principles of data warehouse design-7 steps, 7 taboos and 7 ideas Seven steps for efficient data warehouse implementation The data warehouse has some kinship with our common RDBM

　　Seven steps for efficient data warehouse implementation The data warehouse has some kinship with our common RDBMS systems, but it is different. If you have not implemented a data warehouse, from setting goals to providing

Design | Data building Data Warehouse What do you want to do? Generally, there are two main areas of data Warehouse construction: 1. Interface design with operational database. 2. The

We often encounter this problem in the design of the Data Warehouse: If the dimension has only one attribute in the dimension design, is the choice to create a single dimension for this attribute, or will the attribute of that dimension be placed directly in the fact table as part of the fact table?Suppose there is a d

BI architecture and data warehouse design (14:26:41)BI architecture and data warehouse design A data warehouse solution is often related

Label:There are two kinds of database design models widely used in Data warehouse: Relational type and multidimensional type. It is generally believed that the relational model in the design method of Data Warehouse is "Inmon" met

Model design of Data WarehouseA. Data Modeling MethodologyThe design of the Data warehouse model follows the design principle of "top-down and gradual refinement".The

Original Address http://blog.itpub.net/23659908/viewspace-1118762/ Thank you. model design of Data Warehouse A. Data Modeling Methodology The design of Data warehouse model follows the

Model design of Data Warehouse A. Data Modeling MethodologyThe design of the Data warehouse model follows the design principle of "top-down

Bill Inmon and Ralph Kimball, who were exposed to two names at school, were unfamiliar to most of the two Americans, but they were a resounding figure in the database field. Bill Inmon, known as the "Father of the Data Warehouse", he can now see a lot of scholarly papers and articles on the Web, and Wikipedia's introduction to him should be very comprehensive: in the 80 's, Inmon's "

is classified as a fact, the attribute tree meets the following requirements: Each node corresponds to a data source mode attribute (simple or composite attribute ). Root corresponds to the identifier of the F object. For each node v, all subsequent attributes corresponding to V are determined by the function. 1.1.3 trim and port the attribute tree 1.1.4 define dimension 1.1.5 define measurement 1.1.6 generate fact Mo

fact table. So, this foreign key combination are the primary key for the fact table. Why isn't a surrogate Key then?Now if you wanted, you could has defined one surrogate key for the fact table. But what purpose would that serve? You is never going to retrieve one record from the fact table referring its surrogate key (use Indexes instead). Neither you is going to use this surrogate key to join the fact with other tables. Such a surrogate key would be completely waste of space in the database

Technical Architecture Design of the data warehouse system Author: Cheng Xiaoxu Statement] Because the technical solutions described in this article are derived from online production systems, they will not provide complete and detailed technical solutions, nor provide source code. You are welcome to discuss technical solutions and exchange

July 31, 2006, Oracle and Hewlett-Packard jointly announced that both sides have jointly developed a "reference match" to help it to accelerate the deployment of data warehouses based on HP server and storage platforms, Oracle (r) database 10g software. The development of this set of "reference matching", can help customers from the outset to obtain their required database, server and storage of the best combination of resources. These types of matc