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DATA DICTIONARY
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DATA STAGING
Data staging is a process that involves extraction,transformation and loading of data and quality assurance of the data before the daata warehouse is made operational.
DATA TRANSFORMATION
Converting the data into a form suitable for development of a data warhouse.
DATA WAEHOUSE
A system that provides business intelligence.
DEGENERAATE DIMENSION
A dimension without any attributes.
DEVELOPMENT LIFE CYCLE MODELS
The models used to develop software by dividing the entire life cycle into different stages or phases.
DATA QUALITY ASSURANCE
Ensuring that the data is as per the required /specified standards to maintain data accuracy,integrity and consistency.
DIMENSION MODEL
The data model which organizes the data is such a way that the data can be viewed in different dimensions for obtaining business intelligence.
DIMENSION TABLE
The data model which organizes the data in such a way that the data can be viewed in differnt dimensions for obtaining business intelligence.
DRILL DOWN
Viewing the data with a greater detail.In other words, breaking down the answer to a greater detail.
DRILL UP
Viewing the data in a summarized form or as aggregate is called drillup.In other words, analyzing the data in less detail.
DATA DICTIONARY
It contains all information about the structures and objects of the database such as tables,columns, users, data files etc. The data stored in the data dictionary are also often called metadata.



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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