The structure of an entire database. The information that describes the schema is the database’s metadata.
A description of a database to a database management system (DBMS) in the language provided by the DBMS. A schema defines aspects of the database, such as attributes (fields) and domains and parameters of the attributes.
ETYM German See Scheme.
An internal representation of the world; an organization of concepts and actions that can be revised by new information about the world.