Topic: Data Warehousing Issues
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Answers to Common Questions
What is Data Warehousing?
Data warehousing is the practice of storing all of a group's information in a single place. This is to aid in the comparison and analysis of data. Read More »
Source: http://answers.ask.com/Computers/Software/what_is_data_warehousin...
What is teradata in data warehousing?
Teradata is a RDBMS system like Oracle or SQL Server but designed specifically for use in data warehousing. Data Warehouses contain extremely large amounts of data that normal RDBMS systems like oracle or sql server cannot handle comfortabl... Read More »
Source: http://wiki.answers.com/Q/What_is_teradata_in_data_warehousing
What are the advantages disadvantages of data warehousing?
Advantages of data warehousing One consistent data store for reporting, forecasting, and analysis Easier and timely access to data Improved end-user productivity Improved IS productivity Reduced costs Scalability Flexibility Reliability Com... Read More »
Source: http://wiki.answers.com/Q/What_are_the_advantages_disadvantages_o...
More Common Questions
Answers to Other Common Questions
There are essentially four main components: Operational Source Systems, Data Staging Area, Data Presentation Area, and Data Access Tools. Although Operational Source Systems is part of the model, Kimball states "The source systems should re...
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Source: http://wiki.answers.com/Q/What_are_the_basic_elements_of_data_war...
ERWIN is a very common tool used to design databases. See http://ca.com/us/products/product.aspx?id=260
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Source: http://wiki.answers.com/Q/What_is_mean_by_ERWIN_in_data_warehousi...
data warehouse A data warehouse is the main repository of an organization's historical data, its corporate memory. It contains the raw material for management's decision support system. The critical factor leading to the use of a data wareh...
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Source: http://wiki.answers.com/Q/What+is+a+data+warhouse
The Best Trainer in Chennai for Data warehouse Tools INFORMATICA 8.6, COGNOS 8, MICROSTRATEGY 9, & ORACLE, SQL SERVER 2005 SSIS, SSRS Trainings are given by Rao the data warehouse expert for 14 years, good knowledge of end to end implementa...
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Source: http://wiki.answers.com/Q/Which_is_the_Best_Data_warehousing_Inst...
1. Data Marts design(Modelling) -- contains dimension and fact tables 2. ETL (extract transform load) -- how to load data from multiple db to datamart with transformation logic. e.g. using Informatica, Microsoft SSIS, Data Stage 3. Business...
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Source: http://wiki.answers.com/Q/What_are_the_different_modules_in_dataw...
http://www.mindecology.com http://www.mindecology.com
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Source: http://wiki.answers.com/Q/What_are_data_warehousing_and_data_mini...
what is difference between traditional DBMS and data warehousing?
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Source: http://wiki.answers.com/Q/What_difference_between_DBMS_and_Data_w...
