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The notion of a three-schema model was first introduced in 1975 by the ANSI/X3/SPARC three level architecture, which determined three levels to model data. [1]The three-schema approach, or three-schema concept, in software engineering is an approach to building information systems and systems information management that originated in the 1970s.
In psychology and cognitive science, a schema (pl.: schemata or schemas) describes a pattern of thought or behavior that organizes categories of information and the relationships among them. [ 1 ] [ 2 ] It can also be described as a mental structure of preconceived ideas, a framework representing some aspect of the world, or a system of ...
This is a list of maladaptive schemas, often called early maladaptive schemas, in schema therapy, a theory and method of psychotherapy.An early maladaptive schema is a pervasive self-defeating or dysfunctional theme or pattern of memories, emotions, and physical sensations, developed during childhood or adolescence and elaborated throughout one's lifetime, that often has the form of a belief ...
The Three-schema approach for data modeling, introduced in 1977, can be considered one of the first view models. It is an approach to building information systems and systems information management, that promotes the conceptual model as the key to achieving data integration. [13] The Three schema approach defines three schemas and views:
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.
A conceptual schema specifies the kinds of facts or propositions that can be expressed using the model. In that sense, it defines the allowed expressions in an artificial "language" with a scope that is limited by the scope of the model. Simply described, a conceptual schema is the first step in organizing the data requirements.
The states of a created conceptual schema are transformed into an explicit mapping, the database schema. This describes how real-world entities are modeled in the database. "A database schema specifies, based on the database administrator 's knowledge of possible applications, the facts that can enter the database, or those of interest to the ...
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