in a database, a schema that describes a conceptual model. [SEMATECH] 2 : the complete description of a schema that describes the entities in an enterprise. It documents all of the entities and their behaviors (semantics) but does not consider run-time details such as performance. The conceptual schema integrates the enterprise by describing-from a global perspective-its relationships and constraints, independent of any single use. [SEMATECH
A consistent collection of data structures expressing the data needs of the organization. This schema is a comprehensive, base level, and logical description of the environment in which an organization exists, free of physical structure and application system considerations.
A conceptual schema, or High-level data model or conceptual data model, is a map of concepts and their relationships, for example, a conceptual schema for a karate studio would include abstractions such as student, belt, grading and tournament.