Datamodelointi
Datamodelointi, or data modeling, is the process of creating a data model for an information system. It involves defining data elements, their attributes, and the relationships among them to support requirements such as storage, retrieval, and analysis.
Models are typically organized into levels: conceptual, logical, and physical. Conceptual models describe high-level entities and
Common techniques include entity-relationship modeling, UML class diagrams, and dimensional modeling used for data warehouses. Outputs
Datamodelointi supports database design, data integration, and governance by improving data quality, consistency, and interoperability across
In practice, the process proceeds from requirements to implementation, with attention to constraints, naming conventions, and