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Hdfc Bank 's Largest Private Sector Bank Essay

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ICICI BANK DATA WAREHOUSE CASE STUDY

Introduction
ICICI Bank is India’s largest private sector bank. Thebank has a network of 4,050 branches and 12,919ATMs and offers customers a robust Internet bankingsolution. The bank has a presence in 19 countries,including its home market in India(ICICI). ICICI Bankoffers a wide range of banking products and financialservices to corporate and retail customers through avariety of delivery channels and through its specializedsubsidiaries and affiliates in the areas of investmentbanking, life and non-life insurance, venturecapital, and asset management.
Before discussing the current data warehouse architecture in place at ICICI Bank, issues associated with it, especially due to immense data growth and different modalities of data sources, it would be appropriate to have a quick look at the data warehouse history and architectural framework and how ICICI Bank’s data warehouse has evolved over the years. Back in 2008 ICICI Bank used Teradata and was dependent on Teradata for its data warehouse. Back in those days the size of the data warehouse was 3TB. Because of the dramatic growth in the amount of data, user population and the source stations coupled with cost of scaling and maintenance as well as system availability,posed a problem for the bank in using their legacy data warehouse solution. The bank felt that its legacy data warehouse solution posed scalability issues and one of the major issues that bank faced was with their current

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