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: https://www.minerra.net/blog/what-data-warehouse-how-deliver-value/ The video is ideal for people with a business background who would like to learn more about data warehousing.

1. Introduction to
Data
Warehousing

2. What is a data warehouse?
and
How does it deliver business value?

3. Visualisation
Advanced
Analytics
Internal
Systems
Web Apps Other Cloud
Sources
Spreadsheets
and Flat Files
Data Warehouse
Data
Driven
Decision
s

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. How is a data warehouse structured?
and
How is it used?

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. How is it used?
SystemsAdvanced
Analytics
Data/text Mining
Machine Learning
Forecasting
Cluster Analysis
Simulation
Data
Visualisation
Reports &
Dashboards
Ad hoc
Analysis

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