The focus has been on a comprehensive approach right from the start. In an initial concept phase, the consolidation logic and technical implementation were clarified. Comprehensive advice on consolidation and the Data Quality Batch Suite (DQBT) software component was used to prepare the data for migration in the first phase. This involved determining which data should be migrated and how it should be structured in order to meet the requirements of the new system and future data handling.
In the subsequent implementation phase, the prepared data was implemented over a period of around 8 months. The DQBT and Customer Data Hub (CDH) software components supported the customer data consultants in preparing the data and implementing the changes to the data model. In this context, it was important to clarify which data was "migration-worthy". In other words, to answer the question of which data should and must be migrated in any case and is worth transferring to the new system. This was a question that was always part of the project. An editing interface is particularly relevant here, as this view makes the merging of data records visible and makes it easier to decide which data should be transferred to the new system.
Finally, the implementation phase was characterized by the task of ensuring data quality, deactivating duplicates in the old system and implementing the consolidated data. At the same time, a thorough analysis of the existing data was carried out in order to identify and eliminate duplicates. The user interface also played an important role in this, ensuring intuitive and efficient processing and access to the data.
In the subsequent delta phase, final corrections to the consolidation and transfer formats were implemented. The delta phase enabled data quality to be improved as much as possible. By using the Customer Data Hub until the end of the migration, data quality was ensured and data loss was avoided.