Schéma d'URI — En informatique, un schéma d’URI est le premier niveau de la structure de nommage des identifiants uniformes de ressources (URI). Toutes les URIs sont construites à partir d’un nom de schéma, suivi de deux points (« : ») puis du reste… … Wikipédia en Français
Schema object — A schema object is a logical data storage structure. Schema objects do not have a one to one correspondence to physical files on disk that store their information. However, Oracle stores a schema object logically within a tablespace of the… … Wikipedia
Schema crosswalk — A crosswalk is a table that shows equivalent elements (or fields ) in more than one database schema. It maps the elements in one schema to the equivalent elements in another schema. For example, this is a metadata crosswalk from MARC to Dublin… … Wikipedia
Three schema approach — The three schema approach, or the Three Schema Concept , in software engineering is an approach to building information systems and systems information management, that promotes the conceptual model as the key to achieving data integration. [http … Wikipedia
Logical schema — A Logical Schema is a data model of a specific problem domain expressed in terms of a particular data management technology. Without being specific to a particular database management product, it is in terms of either (for example, in 2007)… … Wikipedia
Database schema — A depiction of MediaWiki database schema. A database schema (pronounced skee ma, /ˈski.mə/) of a database system is its structure described in a formal language supported by the database management system (DBMS) and refers to the organization of… … Wikipedia
Conceptual schema — A conceptual schema or conceptual data model is a map of concepts and their relationships. This describes the semantics of an organization and represents a series of assertions about its nature. Specifically, it describes the things of… … Wikipedia
Electron beam physical vapor deposition — Traduction à relire Electron beam physical vapor deposition → … Wikipédia en Français
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
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
