The relational calculus consists of two calculi, the tuple relational calculus and the domain relational calculus, that is part of the relational model...

In computer science, domain relational calculus (DRC) is a calculus that was introduced by Michel Lacroix and Alain Pirotte as a declarative database query...

Tuple calculus is a calculus that was created and introduced by Edgar F. Codd as part of the relational model, in order to provide a declarative database-query...

communicating processes Relational calculus, a calculus for the relational data model Domain relational calculus Tuple calculus Refinement calculus, a way of refining...

introducing any new logical connectives or operators. Domain relational calculus List of relational database management systems Query language Database...

invented by Robin Milner Relational calculus, a calculus for the relational data model Domain relational calculus Tuple calculus, inspired the SQL language...

A relational database (RDB) is a database based on the relational model of data, as proposed by E. F. Codd in 1970. A database management system used...

technique of translating machine code DARPA Robotics Challenge Domain relational calculus, a database query language Descending reflectivity core, a meteorological...

construction Relational calculus Relational database Relational model Theory of relations Triadic relation Tuple relational calculus SQL Datalog Codd's theorem...

Database normalization is the process of structuring a relational database in accordance with a series of so-called normal forms in order to reduce data...

, with or without an index. Originally based upon relational algebra and tuple relational calculus, SQL consists of many types of statements, which may...

that relational algebra and the domain-independent relational calculus queries, two well-known foundational query languages for the relational model...

defined by an expression using the operators of the relational algebra or the relational calculus. Such an expression operates on one or more relations...

operators. Relational calculus – consists of two calculi, the tuple relational calculus and the domain relational calculus, that are part of the relational model...

a relational view of data, as in relational databases, with a logical view, as in logic programming. Relational databases use a relational calculus or...

which is effectively relational algebra) is based on first-order logic (more precisely can be translated in domain relational calculus by means of Codd's...

obtained by matrix multiplication using Boolean arithmetic. An example of calculus of relations arises in erotetics, the theory of questions. In the universe...

The situation calculus is a logic formalism designed for representing and reasoning about dynamical domains. It was first introduced by John McCarthy...

mathematics, a binary relation associates elements of one set, called the domain, with elements of another set, called the codomain. Precisely, a binary...

accessing the stored hierarchy relation". The standard relational algebra and relational calculus, and the SQL operations based on them, are unable to express...

more concrete connotations (such as "relational structure" for the set-theoretic extension of a given relational concept). Nullary (0-ary) relations count...

this domain of intervals does not take into account any relationships between variables, and is thus a non-relational domain. Non-relational domains tend...

for any particular software language. It includes primitives from relational calculus and term rewriting. Its syntax and semantics are based on procedural...

numbers can be represented in lambda calculus, and this function f can be defined in lambda calculus. However, its domain will now contain all lambda expression...

programming language to be designed for a computer. Kalkül (from Latin calculus) is the German term for a formal system—as in Hilbert-Kalkül, the original...

relationships, using a set of operations based on the mathematical system of relational calculus (from which the model takes its name). Splitting the data into a...

and the manipulation part is expressed using the relational algebra, tuple calculus and domain calculus. A data model instance is created by applying a...

First-order logic—also called predicate logic, predicate calculus, quantificational logic—is a collection of formal systems used in mathematics, philosophy...

directions: a graphical interface for first-order logic, a diagrammatic calculus of logics, and a graph-based knowledge representation and reasoning model...

mathematics excludes topics in "continuous mathematics" such as real numbers, calculus or Euclidean geometry. Discrete objects can often be enumerated by integers;...