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The Data Warehouse:

Home for YourData Assets 05/03/2023 1

Submitted by:Rishabh DograR3-11609171

Outline

Expectations

Data Warehouse /Data Dump

The Historical PerspectiveIs Bigger the

Better

HistoryAbout Data

warehouse

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What Is A Data Warehouse?

“It is a home for high-value data, or data assets, that

originates in corporate applications”

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What Is Data Warehousing?

“Data warehousing is the coordinated, architected, and periodic copying of data from

various sources, both inside and outside the enterprise, into an environment optimized for

analytical and informational processing despite platform, application, organizational, and other

barriers.” A Data Warehouse Is

Centralized Well-managed Environment Consistent And Redundant Processes Open And Scalable Architecture Process The Data Into Information

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History

1970’s The Preparation

1980’s The Birth

1990’s The Adolescent

2000’sThe Adult

• Dominated by Mainframe.

• Continually bothering the Data-processing Department.

• Concept of Tera Data

• PCs PCs & More PC’s

• Islands of Data.

• Concept of DDMS & RDMS

• Birth Place for data warehouse Innovations

• Computing went Mainstream

• Client/server technology

• Cost EffectiveSolutions

• Data warehouse solutions embedded in software suits

• Plug Compatible data warehouse solutions

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Is a Bigger Data Warehouse a Better Data Warehouse?

The size of a data warehouse is a characteristic — “almost a by-product”

— of a data warehouse; it’s not an objective.

Business

Objective

The Function

alityContent

s

Volume

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Historical Perspective

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TIME LAG

It’s Data Warehouse, Not Data Dump

VS

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Expectations from Data Warehouse

Tool To Make Better Business Decisions

Who are our lowest orhighest margin customers ?

Who are my customers and what products are they buying?

Which customers are most likely to go to the competition ?

What promotions have the biggest impacton revenue?

What is the most effective distribution channel?

What impact will new products/services have on revenue and margins?

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Finding data at your Finger Tips

Expectations from Data Warehouse

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Expectations from Data Warehouse

Facilitating Better Communications Among Different Business Units

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IT Side Issues Unrealistic

request No

participation during development and testing

Technology- challenged

Business Users Complaints

Developers have no idea about business

Unnecessary features

IT is too slow in responding to requests for support.

• IT - BUSINESS ORGANIZATION COMMUNICATION

• COMMUNICATION ACROSS BUSINESS ORGANIZATION

Facilitating Better Communications Among Different Business Units

Expectations from Data Warehouse

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Expectations from Data Warehouse

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Act as an early-warning system.

Provide insight into key areas that can help to make

Strategic decisions Facilitates decision

making eg: which products you want to keep in stock.

Facilitates to make data-based decisions

Facilitates Business Change

May I help you with any

clarifications?

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