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The database schema is the structure of a database described in a formal language supported typically by a relational database management system (RDBMS). The term " schema " refers to the organization of data as a blueprint of how the database is constructed (divided into database tables in the case of relational databases ).
"Schema" comes from the Greek word schēmat or schēma, meaning "figure". [7]Prior to its use in psychology, the term "schema" had primarily seen use in philosophy.For instance, "schemata" (especially "transcendental schemata") are crucial to the architectonic system devised by Immanuel Kant in his Critique of Pure Reason.
An XML schema is a description of a type of XML document, typically expressed in terms of constraints on the structure and content of documents of that type, above and beyond the basic syntactical constraints imposed by XML itself.
Technically, a schema is an abstract collection of metadata, consisting of a set of schema components: chiefly element and attribute declarations and complex and simple type definitions. These components are usually created by processing a collection of schema documents , which contain the source language definitions of these components.
Four main theoretical concepts in schema therapy are early maladaptive schemas (or simply schemas), coping styles, modes, and core emotional needs: [3]. In cognitive psychology, a schema is an organized pattern of thought and behavior.
Body schema, a neural representation of one's own bodily posture; Galant Schemata, stock phrases in Galant music; Schema (Kant), in philosophy; Schema (psychology), a mental set or representation; Schema Records, a jazz record label in Milan, Italy; Schema (monasticism) , a solemn vow of asceticism of a monk in Orthodox monasticism
The term "schema" refers to the organization of data as a blueprint of how the database is constructed (divided into database tables in the case of relational databases). The formal definition of a database schema is a set of formulas (sentences) called integrity constraints imposed on a database.
An image schema (both schemas and schemata are used as plural forms) is a recurring structure within our cognitive processes which establishes patterns of understanding and reasoning. As an understudy to embodied cognition , image schemas are formed from our bodily interactions, [ 1 ] from linguistic experience, and from historical context.