- entity type
- n.实体型
English-Chinese dictionary of mining (英汉矿业大词典). 2013.
English-Chinese dictionary of mining (英汉矿业大词典). 2013.
Entity-relationship model — A sample Entity relationship diagram using Chen s notation In software engineering, an entity relationship model (ERM) is an abstract and conceptual representation of data. Entity relationship modeling is a database modeling method, used to… … Wikipedia
Entity class — When Dr. Chen developed entity/relationship modeling [1] (commonly known as data modeling), he used the term entity type to define the boxes on his diagrams as representing classes of things. For example Person would be an entity type, and Sally… … Wikipedia
Entity–attribute–value model — (EAV) is a data model to describe entities where the number of attributes (properties, parameters) that can be used to describe them is potentially vast, but the number that will actually apply to a given entity is relatively modest. In… … Wikipedia
Entity-attribute-value model — (EAV), also known as object attribute value model and open schema is a data model that is used in circumstances where the number of attributes (properties, parameters) that can be used to describe a thing (an entity or object ) is potentially… … Wikipedia
Type (biology) — Type specimen for Cimbrophlebia brooksi, a fossil scorpion fly. By convention, the red label denotes a type specimen. In biology, a type is one particular specimen (or in some cases a group of specimens) of an organism to which the scientific… … Wikipedia
Entity classification election — For United States income tax purposes, a business entity may elect to be treated either as a corporation or as other than a corporation.[1] This entity classification election is made by filing Internal Revenue Service Form 8832. Absent filing… … Wikipedia
Entity-Level Controls — Accountancy Key concepts Accountant · Accounting period · Bookkeeping · Cash and accrual basis · Cash flow management · Chart of accounts … Wikipedia
Entity Bean — An Entity Bean is a type of Enterprise JavaBean, a server side J2EE component, that represents persistent data maintained in a database. An entity bean can manage its own persistence (Bean managed persistence) or can delegate this function to its … Wikipedia
Type theory — In mathematics, logic and computer science, type theory is any of several formal systems that can serve as alternatives to naive set theory, or the study of such formalisms in general. In programming language theory, a branch of computer science … Wikipedia
Type conversion — This article is about the computer science concept. For the aviation licensing process, see Type conversion (aviation). In computer science, type conversion, typecasting, and coercion refers to different ways of, implicitly or explicitly,… … Wikipedia
type — I (New American Roget s College Thesaurus) n. sign, emblem; kind, class, sort, nature; standard, model, example, ideal; group; letter, figure, character. See indication, printing, form. v. type, class; symbolize; typewrite, touch type, hunt and… … English dictionary for students