consistency constraints

См. также в других словарях:

• Consistency (database systems) — In database systems, a consistent transaction is one that does not violate any integrity constraints during its execution. If a transaction leaves the database in an illegal state, it is aborted and an error is reported.Consistency is one of the… …   Wikipedia

• Local consistency — In constraint satisfaction, local consistency conditions are properties of constraint satisfaction problems related to the consistency of subsets of variables or constraints. Several such conditions exist, the most known being node consistency,… …   Wikipedia

• Second class constraints — In a constrained Hamiltonian system, a dynamical quantity is second class if its Poisson bracket with at least one constraint is nonvanishing. A constraint that has a nonzero Poisson bracket with at least one other constraint, then, is a second… …   Wikipedia

• Theory of Constraints — (TOC) is an overall management philosophy. Dr. Eliyahu M. Goldratt introduced the Theory of constraints in his 1984 book titled The Goal . It is based on the application of scientific principles and logic reasoning to guide human based… …   Wikipedia

• Novikov self-consistency principle — The Novikov self consistency principle, also known as the Novikov self consistency conjecture, is a principle developed by Russian physicist Igor Dmitriyevich Novikov in the mid 1980s to solve the problem of paradoxes in time travel, which is… …   Wikipedia

• Integrity constraints — are used to ensure accuracy and consistency of data in a relational database. Data integrity is handled in a relational database through the concept of referential integrity. There are many types of integrity constraints that play a role in… …   Wikipedia

• Domain-specific multimodeling — Domain specific multimodeling[1] is a software development paradigm where each view is made explicit as a separate domain specific language (DSL). Successful development of a modern enterprise system requires the convergence of multiple views.… …   Wikipedia

• Shadow paging — In computer science, shadow paging is a technique for providing atomicity and durability (two of the ACID properties) in database systems.A page in this context refers to a unit of physical storage (probably on a hard disk), of the order of… …   Wikipedia

• Formal ethics — is a formal logical system for describing and evaluating the form as opposed to the content of ethical principles. Formal ethics was introduced by Harry J. Gensler, in part in his 1990 logic textbook Symbolic Logic: Classical and Advanced Systems …   Wikipedia

• Datenbanktrigger — Ein Datenbanktrigger, meist nur Trigger genannt, ist eine Funktionalität von diversen Datenbankmanagementsystemen, insbesondere von großen relationalen Datenbankmanagementsystemen. Bei einer bestimmten Art der Änderungen (z. B. INSERT,… …   Deutsch Wikipedia

• условия согласованности — ограничения, обеспечивающие целостность — [Л.Г.Суменко. Англо русский словарь по информационным технологиям. М.: ГП ЦНИИС, 2003.] Тематики информационные технологии в целом Синонимы ограничения, обеспечивающие целостность EN consistency… …   Справочник технического переводчика