Náhrada karetního zdrojového systém novým systémem v jádru datového skladu banky

The diploma thesis describes implementing a new source system in a data warehouse with minimal impact on the consumer. The described project was one of the pilot solutions where the data stage was replaced and a modified component was used according to Data Mesh principles. The new source system is implemented in accordance with the planned change, which is the decentralization of the data warehouse and is based on Data Mesh principles. This principle is thus intended to reconcile the mismatch between the organizational structure, which has recently been transformed in an agile way, and the original IT architecture with the relevant processes. The thesis is divided into two logical units. First, the business brief is described using the Project Canvas template and the aspects on which management decided on the need to implement a new system are presented. The technical part describes possible alternatives for implementing the source system in the data warehouse and justifies the move away from centralization and towards decentralized ownership. The current state of the data warehouse designed by Bill Inmon is then described, as well as the Data Mesh approach by which the new data warehouse design is to be defined.