- data constraint
- 数据约束
English-Chinese computer dictionary (英汉计算机词汇大词典). 2013.
English-Chinese computer dictionary (英汉计算机词汇大词典). 2013.
Data format — in information technology can refer to either one of: Data type, constraint placed upon the interpretation of data in a type system Signal (electrical engineering), a format for signal data used in signal processing Recording format, a format for … Wikipedia
Constraint logic programming — Programming paradigms Agent oriented Automata based Component based Flow based Pipelined Concatenative Concurrent computing … Wikipedia
Constraint programming — Programming paradigms Agent oriented Automata based Component based Flow based Pipelined Concatenative Concurrent computin … Wikipedia
Constraint automaton — In computer science, Constraint automata are a formalism to describe the behavior and possible data flow in coordination models[1]. It was introduced by Arbab et al.[2] as a variation of finite automata for model checking Reo connector circuits.… … Wikipedia
Data Definition Language — A data definition language or data description language (DDL) is a syntax similar to a computer programming language for defining data structures, especially database schemas. Contents 1 History 2 SQL 2.1 CREATE statements … Wikipedia
Data domain — For other uses, see Data domain (disambiguation). In data management and database analysis, a data domain refers to all the unique values which a data element may contain. The rule for determining the domain boundary may be as simple as a data… … Wikipedia
Data base management system — Ein Datenbanksystem (DBS) ist ein System zur elektronischen Datenverwaltung. Die wesentliche Aufgabe eines DBS ist es, große Datenmengen effizient, widerspruchsfrei und dauerhaft zu speichern und benötigte Teilmengen in unterschiedlichen,… … Deutsch Wikipedia
Data — For data in a computer science context, see Data (computing). For other senses of the word, see Data (disambiguation). See also datum, a disambiguation page. The term data refers to qualitative or quantitative attributes of a variable or set of… … Wikipedia
Data type — For other uses, see Data type (disambiguation). In computer programming, a data type is a classification identifying one of various types of data, such as floating point, integer, or Boolean, that determines the possible values for that type; the … Wikipedia
Data dictionary — Not to be confused with Dictionary (data structure). A data dictionary, or metadata repository, as defined in the IBM Dictionary of Computing, is a centralized repository of information about data such as meaning, relationships to other data,… … Wikipedia
Data-Dictionary — Ein Data Dictionary – in deutscher Übersetzung auch Datenwörterbuch, Datenkatalog oder etwas unscharf Datenverzeichnis genannt – ist ein Katalog von Metadaten, der die Definitionen und Darstellungsregeln von Datenelementen enthält. Es beschreibt… … Deutsch Wikipedia