Preparation
This section describes the preparation phase of a database migration.
A key factor for a successful data warehouse migration is having a detailed pan for the preparation phase. The purpose of this plan is to ensure that you consider all the relevant topics that need to be handled during the migration. It will also help you to estimate the required effort and cost.
At a high level, your preparation phase plan should cover some of the core aspects of a migration, which are described in the following sections: