Logical schema information

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

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

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...

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

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

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

Logical consequence (also entailment) is a fundamental concept in logic which describes the relationship between statements that hold true when one statement...

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

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

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...

set theory, the axiom schema of specification, also known as the axiom schema of separation, subset axiom scheme or axiom schema of restricted comprehension...

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

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

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 conceptual schema or conceptual data model is a high-level description of informational needs underlying the design of a database.[citation needed] It...

types of logical constants are logical connectives and quantifiers. The equality predicate (usually written '=') is also treated as a logical constant...

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...

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

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...

structure, a collection of trees with a standard global catalog, directory schema, logical structure, and directory configuration. The forest is a secure boundary...

customer, retrieving it from the Orders table. The logical schema and its mapping with the physical schema is represented as an Entity Data Model (EDM), specified...

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