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Introduction to Data Warehousing


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This is the slide deck from the first video in our Data Warehouse Automation series: Introduction to Data Warehousing.

The video with associated notes can be found here:

The video is ideal for people with a business background who would like to learn more about data warehousing.

Published in: Technology
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Introduction to Data Warehousing

  1. 1. Introduction to Data Warehousing
  2. 2. What is a data warehouse? and How does it deliver business value?
  3. 3. Visualisation Advanced Analytics Internal Systems Web Apps Other Cloud Sources Spreadsheets and Flat Files Data Warehouse Data Driven Decisions
  4. 4. Creating Business Value Consistent, Uniform Accurate, Complete & Current Data Structured for Fast and Efficient Access to Data Learn from Historical Data Single Integrated View of Organisational Performance Better Business Decisions =
  5. 5. How is a data warehouse structured? and How is it used?
  6. 6. Structure of a Data Warehouse Customer Transactions Sales Amount Discount Date Date Month Customer First Name Last Name Product Product Code Product Name Salesperson First Name Last Name Facts Business events Measures Calculations Transactional: Sales Transactions Aggregated: Sales by Month Dimensions Descriptive attributes Fields Examples: Customer Product Salesperson Date
  7. 7. How is it used? SystemsAdvanced Analytics Data/text Mining Machine Learning Forecasting Cluster Analysis Simulation Data Visualisation Reports & Dashboards Ad hoc Analysis
  8. 8. minerrabi minerra minerrabi