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Data Warehousing: Phases and Processes

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Questions and Answers

What are the main functions supported by data warehouse front-end applications?

Static data entry forms and canned reports
Data integration and profiling
Real-time transaction processing
Ad-hoc queries, reporting, and dashboards (correct)

Why are data profiling and integration critical steps in building up data warehouse systems?

To ensure real-time transaction processing
To maintain security and compliance
To capture revenues accurately
To combine data from existing transaction systems (correct)

Which areas require special attention in data warehouse systems due to the combination of data from across the organization?

Revenues and costs allocation (correct)
Ad-hoc queries and reporting
Data storage and archiving
Operational system capabilities

What are considered non-trivial technology resources in data warehouse systems?

Data storage and archiving (A) Signup and view all the answers

What are the major steps in DW Projects during the Business and Technical Justification phase?

Product evaluations and technology roadmaps (D) Signup and view all the answers

What is the focus of the Business Justification phase in DW Projects?

Enlisting BI sponsors and stakeholders (C) Signup and view all the answers

What is the primary purpose of Data Warehousing?

To gather and manage structured and unstructured data from numerous sources into a Centralized repository (C) Signup and view all the answers

What is the term used to describe the phases and their relationships in the data warehouse system?

Data warehouse life-cycle (C) Signup and view all the answers

How does the system development life cycle for a data warehouse project compare to a typical information systems development project?

It follows a similar systems development lifecycle (SDLC) process (D) Signup and view all the answers

What distinguishes Data Warehousing projects from operational systems?

Data warehouse projects are increasingly being driven by business users with strong business justifications (A) Signup and view all the answers

Which activity is NOT part of the system development life cycle for a data warehouse project?

Automate and record events in an existing business workflow (C) Signup and view all the answers

What does a data warehouse system allow you to do with all your data in one location?

Perform analysis, reporting, and discover important insights at a variety of combination levels (D) Signup and view all the answers

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