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CERTIFICATION GUIDE DATA DICTIONARY ALL ARTICLES
   
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DATA DICTIONARY

C
CHANGING DIMENSION
If the attributes of teh dimension table change over a period of time, the dimension is called changing dimension.
CLICK STREAM DATA
Data collected by web servers when the users browse a site.The click stream data is used to find out the user profile,his/her prefernces etc. for business activities such as sales promotion campaigns.
CODING STANDARDS
Guidelines formulated by an organisation to be followed by all programmers while doing the coding.The coding standards for different programming languages, databases, etc will be developed by the SQA department.
CONFIGURATION MANAGEMENT
The management of different versions and releases of documnets and software source code.Whenever any changes is made to any of the work products such as software requirements specification document,design document,test plans,source code etc., a well-defined procedure has to be followed.This procedure or process is known as configuration management.
CONFORMED DIMENSION
A dimension that has the same meaning for all fact tables in a data mart/data warehouse.The advantage of conformed dimensions is that such fact tables can be joined.
CONFORMED FACT
Metrics or measures or facts of a business process that have the same meaning in different data marts so that the data marts can be easily combiined into a data warehouse.
 

DWH CONCEPTS

DWH Architecture
Types of Schema
Normalization

VS LINKS

OLAP Vs OLTP
Dimension Table Vs Fact Table
Datamart Vs Data Warehouse
Data Mining Vs Web Mining


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