Carleton’s Data

Warehouse

Shedding light on our information

What is a data warehouse?

A data warehouse is a system that

• Gathers data from many systems

• Combines it into one database

• Conforms it to common standards

• Restructures it for easy– Exploration– Reporting– Data mining

Flow of Data

Advance

Recruitment Plus

OneCard

Spreadsheets

Excel Report

SPSS

Cognos BI

Access

Data Warehouse

Colleague

Survey Data

Example

Project 1 Components

Data warehousing implementation projects break down into a set of basic components that are common across nearly all deployments in all institutions

Components

Major project components:

• Project kickoff and planning• Initial business requirements analysis• Decide on first project• Purchase and installation of back-end technologies• Development of ongoing data catalog, data policy• Modeling of initial data marts• Development of initial ETL processes• Development of initial reports• Delivery of initial data marts, reports, documentation• Training

In Practice…

Data Warehouse Service– Project 1, includes DW infrastructure– Project 2– Project 3– Enhancements to Project 1– Project 4

Sample Data Catalog

Fields: data name, category, source, source table, source column, DW table, DW column, description, data stewards, access restrictions, update frequency, Meaning/Usage, data type, data range.

Sample Data Access Policy

Staffing and Resources

Richard & Julie, ITS

DW Data ManagementGroup?

Administrative ComputingAdvisory

Committee

TPPC

Existing User Groups

Next Steps

• We will schedule interviews with you over the next few weeks

• We will send you sample interview questions ahead of time

• We might also ask you for sample reports• We will take the information you give us,

combine it with information from other offices, and form a master ‘Needs Analysis’ document.

Questions?

Ha! Now they’ll have to add a “planet” field to

the data catalog!