A logical data model or logical schema is a data model of a specific problem domain expressed independently of a particular database management product...

the logical schema, however, still did not describe how physically data would be stored on disk drives. That is the domain of the physical schema. Now...

In computing, a snowflake schema or snowflake model is a logical arrangement of tables in a multidimensional database such that the entity relationship...

the same relation. Logical data independence indicates that the conceptual schema can be changed without affecting the existing schemas. The physical structure...

A white pages schema is a data model, specifically a logical schema, for organizing the data contained in entries in a directory service, database, or...

a logical data storage structure. An Oracle database associates a separate schema with each database user. A schema comprises a collection of schema objects...

model. Simply described, a conceptual schema is the first step in organizing the data requirements. Logical schema: describes the structure of some domain...

in an EAV database, the "physical schema" (the way data are stored) is radically different from the "logical schema" – the way users, and many software...

popular versions of axiomatic set theory, the axiom schema of specification, also known as the axiom schema of separation (Aussonderungsaxiom), subset axiom...

logically equivalent if they have the same truth value in every model. The logical equivalence of p {\displaystyle p} and q {\displaystyle q} is sometimes...

schema, like natural language and involving logical connectives, which are joined by juxtaposition to other sentences, which in turn may have logical...

The T-schema ("truth schema", not to be confused with "Convention T") is used to check if an inductive definition of truth is valid, which lies at the...

Logical truth is one of the most fundamental concepts in logic. Broadly speaking, a logical truth is a statement which is true regardless of the truth...

independently proposed replacing the axiom schema of specification with the axiom schema of replacement. Appending this schema, as well as the axiom of regularity...

for reasoning. In mathematics, an axiom may be a "logical axiom" or a "non-logical axiom". Logical axioms are taken to be true within the system of logic...

Logical consequence (also entailment or logical implication) is a fundamental concept in logic which describes the relationship between statements that...

The interface to the UVC emulator (Logical Data Viewer) The definition of the logical data schema or LDS (the schema to read schemata) The convention must...

will show the source XSD, logical and physical views for a simple schema. <?xml version="1.0" encoding="utf-8" ?> <xs:schema elementFormDefault="qualified"...

logic, disjunction (also known as logical disjunction, logical or, logical addition, or inclusive disjunction) is a logical connective typically notated as...

of the schema. The obvious advantage would be that search load for the large partitioned table can now be split across multiple servers (logical or physical)...

A conceptual schema or conceptual data model is a high-level description of informational needs underlying the design of a database. It typically includes...

inductively using the T-schema, which is a definition of first-order semantics developed by Alfred Tarski. The T-schema interprets the logical connectives using...

An image schema (both schemas and schemata are used as plural forms) is a recurring structure within our cognitive processes which establishes patterns...

RDF Schema (Resource Description Framework Schema, variously abbreviated as RDFS, RDF(S), RDF-S, or RDF/S) is a set of classes with certain properties...

a small number of rules of inference, along with several infinite schemas of logical axioms. It is common to have only modus ponens and universal generalization...

In logic, a logical connective (also called a logical operator, sentential connective, or sentential operator) is a logical constant. Connectives can...

In logic, negation, also called the logical not or logical complement, is an operation that takes a proposition P {\displaystyle P} to another proposition...

\wedge } ) is the truth-functional operator of conjunction or logical conjunction. The logical connective of this operator is typically represented as ∧ {\displaystyle...

The Winograd schema challenge (WSC) is a test of machine intelligence proposed in 2012 by Hector Levesque, a computer scientist at the University of Toronto...

of an argument can be tested, proved or disproved, and depends on its logical form. In logic, an argument is a set of related statements expressing the...