data warehoue architecture - avenues international...
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Data Warehousing
Architecture & Major Components
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Data Warehouse ArchitectureData Warehouse Architecture
. .
ODS
Data Warehouse
Source Data
ETL
Financial App 1
Financial App 3
Financial App 2
Financial App 4
Financial App 5
ETL
ETL
XML Interface
OLAP
Standard Reports
Data Marts
What If Analysis
Data Mining
Data WarehouseOperationalData Store
Meta Data
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Major Components
Multi Dimensional DatabaseETL OLAP Meta Data
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Multi Dimension DatabaseData Mart are normally a multi dimensional database using industry standard STAR Schema approach. This will include:
Dimensions tablesFact Tables Hierarchies (For Drill down and drill across)Role Models (Multiple references of Dimension to the Fact table)Summary / Aggregate tablesSnow Flaking and Normalization as required
Optimized database design for better performanceSTAR TransformationBit Map IndexesDatabase Partitioning
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ETL
Create Source and Target Meta DataIdentify the Source & the Target data mart data structuresCreate Extraction Programs using ETL tool (e.g. Ascential Data Stage / Informatica)Define data cleansing, transformation and aggregation rulesPerform data capture and enrichment processingEvaluate incremental (delta) refresh option of the data mart to reduce the production cycle
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OLAP
OLAP (Online Analytical Processing) tool provides the front end analytical capabilitiesFunctionality provided
Slice & DiceDrill up, Drill down & Drill acrossPivotingTrend analysis across TimeEasy interface to tools such as Excel / MS Word
Implemented in a three tier web based architecture
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DeliverablesProject management plan(PMP)Business requirements and analysis documentHardware and software recommendationsData mart architecture documentData mart design documentLogical design (data model)Physical database designETL program (automatic data loader)Incorporating BI reporting and OLAP interface Establish testing process / system test plan UAT test planImplementation plan
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Thank you
For Further details please contact
Anupam GuptaAvenues International Inc.
4 Restrick Court, Princeton JunctionNew Jersey-08550Ph: 973-202-3384Fax: 609-897-1015
Email: [email protected]
www.avenuesinc.com