The Preparation phase

In this phase, you are prepping everything that's needed for the next phase, which is the execution phase. Armed with the trove of information that was gathered in the previous phase, you are set to act on it and prep for successful data migration.

Let's discuss the best practices that apply to this phase.

Best practices

You have developed a sound understanding of the current landscape along with understanding the type of data that is in scope, the source systems and their constraints, and the business requirements of the data migration. Now it's time to put all of this into action by following the best practices described as follows:

• Analysis: Carefully analyze the result of the exercise from the assessment phase. Seemingly minor details that are skipped during analysis can cause a lot of rework sometimes down the road. For example, assuming that a legacy system has good data quality; without vetting this assumption with the users...