Download Data Warehoue Architecture - Avenues International Inc

Data Warehousing
Architecture & Major Components
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Data Warehouse Architecture
Operational
Data Store
Source Data
Data Warehouse
ETL
Financial
App 1
Financial
App 2
..
Financial
App 3
XML Interface
ODS
E
T
L
Data Marts
E
T
L
Standard Reports
Data
Warehouse
OLAP
Financial
App 4
What If Analysis
Financial
App 5
Data Mining
Meta Data
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Major Components
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Multi Dimensional Database
ETL
OLAP
Meta Data
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Multi Dimension Database
9 Data Mart are normally a multi dimensional database
using industry standard STAR Schema approach. This
will include:
ƒ Dimensions tables
ƒ Fact Tables
ƒ Hierarchies (For Drill down and drill across)
ƒ Role Models (Multiple references of Dimension to the Fact
table)
ƒ Summary / Aggregate tables
ƒ Snow Flaking and Normalization as required
9 Optimized database design for better performance
ƒ STAR Transformation
ƒ Bit Map Indexes
ƒ Database Partitioning
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ETL
ƒ Create Source and Target Meta Data
ƒ Identify the Source & the Target data mart data
structures
ƒ Create Extraction Programs using ETL tool (e.g.
Ascential Data Stage / Informatica)
ƒ Define data cleansing, transformation and aggregation
rules
ƒ Perform data capture and enrichment processing
ƒ Evaluate incremental (delta) refresh option of the data
mart to reduce the production cycle
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OLAP
9 OLAP (Online Analytical Processing) tool
provides the front end analytical capabilities
9 Functionality provided
ƒ Slice & Dice
ƒ Drill up, Drill down & Drill across
ƒ Pivoting
ƒ Trend analysis across Time
ƒ Easy interface to tools such as Excel / MS Word
9 Implemented in a three tier web based
architecture
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Deliverables
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Project management plan(PMP)
Business requirements and analysis document
Hardware and software recommendations
Data mart architecture document
Data mart design document
Logical design (data model)
Physical database design
ETL program (automatic data loader)
Incorporating BI reporting and OLAP interface
Establish testing process / system test plan
UAT test plan
Implementation plan
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Thank you
For Further details please contact
Anupam Gupta
Avenues International Inc.
4 Restrick Court, Princeton Junction
New Jersey-08550
Ph: 973-202-3384
Fax: 609-897-1015
Email: [email protected]
www.avenuesinc.com
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Avenues International Inc. All Rights Reserved.