data systems language

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• Data Access Language — Data Access Language, or simply DAL, was a SQL like language parser released by Apple Computer in 1990 to provide unified client/server access to database management systems. It was known for poor performance and high costs, something Apple did… …   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 Manipulation Language — A data manipulation language (DML) is a family of syntax elements similar to a computer programming language used for inserting, deleting and updating data in a database. Performing read only queries of data is sometimes also considered a… …   Wikipedia

• Data control language — A data control language (DCL) is a syntax similar to a computer programming language used to control access to data stored in a database. In particular, it is a component of Structured Query Language (SQL). Examples of DCL commands include: GRANT …   Wikipedia

• Electronic Data Systems — Infobox Company company name = Electronic Data Systems Corp company company type = Division of HP foundation = incorporated June 27, 1962 location city = Plano, Texas location country = USA key people = Ronald A. Rittenmeyer, Chairman, President… …   Wikipedia

• EXPRESS (data modeling language) — EXPRESS is a standard data modelling language for product data. EXPRESS is formalized in the ISO Standard for the Exchange of Product model STEP (ISO 10303), and standardized as ISO 10303 11. Overview Data models formally define data objects and… …   Wikipedia

• Scientific Data Systems — Scientific Data Systems, or SDS, was an American computer company founded in September 1961 by Max Palevsky, a veteran of Packard Bell and Bendix, along with eleven other computer scientists. SDS was an early adopter of integrated circuits in… …   Wikipedia

• Zenith Data Systems — (ZDS) was a division of Zenith founded in 1979 after Zenith acquired Heathkit, who had, at that time, recently entered the personal computer market. Headquartered in Benton Harbor, Michigan, Zenith sold personal computers under both the… …   Wikipedia

• Conference on Data Systems Languages — Das Acronym CODASYL ist von COnference on DAta SYstems Languages abgeleitet. CODASYL entstand in den USA aus einem Treffen am 28. und 29. Mai 1959, von Computerbesitzern bei Regierung, Militär und Privatwirtschaft, sowie Computerherstellern und… …   Deutsch Wikipedia

• Electronic Data Systems Corporation — EDS, an HP company. Unternehmensform Aktiengesellschaft ISIN …   Deutsch Wikipedia

• Sampled data systems — A sampled data system is a control system where a continuous ­time plant (control theory) is controlled with a digital device. Under periodic sampling, the sampled­ data system is time ­varying but also periodic, and thus it may be modeled by a… …   Wikipedia