Defining your data retention requirements
Data retention, or how long information is accessible within the business intelligence and data warehouse solution, is a key requirement. It affects the way information is sourced and the capacity of the hardware required for the project.
Getting ready
Understand any regulatory requirements around the information you are planning to load into the solution and the business requirements to retain information. Data retention is not limited to the length of time information is kept or accessible, but also covers how changes to the information over time are recorded. For this, you will want to understand the level of information you require to store for each business entity.
How to do it...
Data retention not only affects the way information is stored and retained, but also the necessary resources required to keep the information. Not gathering this requirement can have disastrous effects on the success of your project.
1. Open your requirements, and enter...