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logical data modeling

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  • Data modeling — The data modeling process. The figure illustrates the way data models are developed and used today. A conceptual data model is developed based on the data requirements for the application that is being developed, perhaps in the context of an… …   Wikipedia

  • Logical data model — A logical data model also referred to as LDM in computer science is a representation of an organization s data, organized in terms of a particular data management technology. When ANSI first laid out the idea of a logical schema (in 1975 [1] ),… …   Wikipedia

  • Comparison of data modeling tools — This article is a comparison of data modeling tools which are notable, including standalone, conventional data modeling tools and modeling tools supporting data modeling as part of a larger modeling environment. General Tool Creator Target… …   Wikipedia

  • Data architect — A data architect is a person responsible for ensuring that the data assets of an organization are supported by an architecture supporting the organization in achieving its strategic goals. The architecture should cover databases, data integration …   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

  • Data Format Description Language — (DFDL, often pronounced daff o dil) is a modeling language from the Open Grid Forum for describing general text and binary data. A DFDL model or schema allows any text or binary data to be read (or parsed ) from its native format and to be… …   Wikipedia

  • Data administration — or data resource management is an organizational function working in the areas of information systems and computer science that plans, organizes, describes and controls data resources. Data resources are usually as stored in databases under a… …   Wikipedia

  • Data model — Overview of data modeling context: A data model provides the details of information to be stored, and is of primary use when the final product is the generation of computer software code for an application or the preparation of a functional… …   Wikipedia

  • Modeling language — A modeling language is any artificial language that can be used to express information or knowledge or systems in a structure that is defined by a consistent set of rules. The rules are used for interpretation of the meaning of components in the… …   Wikipedia

  • CA ERwin Data Modeler — thumbnail|right|ERwin CASE tool on Windows 2000CA ERwin Data Modeler (ERwin) is a software tool for data modeling (data requirements analysis, database design etc) of custom developed information systems, including databases of transactional… …   Wikipedia

  • Data warehouse — Overview In computing, a data warehouse (DW) is a database used for reporting and analysis. The data stored in the warehouse is uploaded from the operational systems. The data may pass through an operational data store for additional operations… …   Wikipedia

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