logical data independence

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• Data independence — is the type of data transparency that matters for a centralized DBMS. It refers to the immunity of user applications to make changes in the definition and organization of data. Physical data independence deals with hiding the details of the… …   Wikipedia

• Logical positivism — (also known as logical empiricism, scientific philosophy, and neo positivism) is a philosophy that combines empiricism the idea that observational evidence is indispensable for knowledge with a version of rationalism incorporating mathematical… …   Wikipedia

• Codd's 12 rules — Codd s twelve rules are a set of thirteen rules (numbered zero to twelve) proposed by Edgar F. Codd, a pioneer of the relational model for databases, designed to define what is required from a database management system in order for it to be… …   Wikipedia

• Online Analytical Processing — (OLAP) wird neben dem Data Mining zu den Methoden der analytischen Informationssysteme gezählt. OLAP wird weiterhin den hypothesengestützten Analysemethoden zugeordnet. Der Analyst muss vor der eigentlichen Untersuchung wissen, welche Anfragen er …   Deutsch Wikipedia

• 12 правил Кодда — (Codd’s 12 rules) 12 правил (в данном случае исчисление начинается с 0), которым должна удовлетворять каждая система управления реляционными базами данных. Предложены английским математиком Эдгаром Коддом (Edgar Codd) в 1985 году.[1] [2] В… …   Википедия

• Архитектура ANSI — SPARC (также 3х уровневая архитектура) определяет принцип, согласно которому рекомендуется строить системы управления базами данных (СУБД). Проект архитектуры был выдвинут в 1975 году под комитетом SPARC (Standards Planning and Requirements… …   Википедия

• Архитектура ANSI — SPARC — (также 3х уровневая архитектура) определяет принцип, согласно которому рекомендуется строить системы управления базами данных (СУБД). Проект архитектуры был выдвинут в 1975 году под комитетом SPARC (Standards Planning and Requirements Committee)… …   Википедия

• Database — A database is an organized collection of data for one or more purposes, usually in digital form. The data are typically organized to model relevant aspects of reality (for example, the availability of rooms in hotels), in a way that supports… …   Wikipedia

• JESD204 — JEDEC JESD204A (2008) is a new industry standard for the interconnection of digital to analog converter (DAC or D to A) or analog to digital converter (abbreviated ADC, A/D or A to D) and logic devices which supports the concept of multiple… …   Wikipedia

• Abstraction (computer science) — In computer science, abstraction is the process by which data and programs are defined with a representation similar to its pictorial meaning as rooted in the more complex realm of human life and language with their higher need of summarization… …   Wikipedia

• XQuery — is a query language (with some programming language features) that is designed to query collections of XML data. It is semantically similar to SQL.XQuery 1.0 was developed by the XML Query working group of the W3C. The work was closely… …   Wikipedia