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Data Warehousing Architecture & Major Components www.avenuesinc.com Page 1 Avenues International Inc. All Rights Reserved. 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 Page 2 Avenues International Inc. All Rights Reserved. Major Components Multi Dimensional Database ETL OLAP Meta Data Page 3 Avenues International Inc. All Rights Reserved. Multi Dimension Database 9 Data Mart are normally a multi dimensional database using industry standard STAR Schema approach. This will include: Dimensions tables Fact Tables Hierarchies (For Drill down and drill across) Role Models (Multiple references of Dimension to the Fact table) Summary / Aggregate tables Snow Flaking and Normalization as required 9 Optimized database design for better performance STAR Transformation Bit Map Indexes Database Partitioning Page 4 Avenues International Inc. All Rights Reserved. ETL Create Source and Target Meta Data Identify the Source & the Target data mart data structures Create Extraction Programs using ETL tool (e.g. Ascential Data Stage / Informatica) Define data cleansing, transformation and aggregation rules Perform data capture and enrichment processing Evaluate incremental (delta) refresh option of the data mart to reduce the production cycle Page 5 Avenues International Inc. All Rights Reserved. OLAP 9 OLAP (Online Analytical Processing) tool provides the front end analytical capabilities 9 Functionality provided Slice & Dice Drill up, Drill down & Drill across Pivoting Trend analysis across Time Easy interface to tools such as Excel / MS Word 9 Implemented in a three tier web based architecture Page 6 Avenues International Inc. All Rights Reserved. Deliverables 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 Page 7 Avenues International Inc. All Rights Reserved. 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 Page 8 Avenues International Inc. All Rights Reserved.