Logical Model
A logical model is an abstract representation of data structures, relationships, and constraints in a system, independent of physical implementation details like storage or hardware. It focuses on business rules and conceptual understanding, often using diagrams or schemas to define entities, attributes, and their interconnections. This model serves as a blueprint for designing databases or software systems, ensuring clarity and consistency before technical implementation.
Developers should learn logical modeling to effectively design and communicate system architectures, especially in database development, software engineering, and data analysis projects. It is crucial during requirements gathering and planning phases to align technical solutions with business needs, reducing errors and rework. Use cases include creating Entity-Relationship Diagrams (ERDs) for relational databases, defining data flows in system design, and ensuring data integrity in applications.