database schema

См. также в других словарях:

• 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

• database schema — duomenų bazės schema statusas T sritis informatika apibrėžtis ↑Duomenų bazės lentelių ir ↑rodinių struktūros aprašas. Schema nusakomi kiekvienos lentelės ↑stulpeliai ir kiekvieno stulpelio ↑duomenų tipas. atitikmenys: angl. database schema ryšiai …   Enciklopedinis kompiuterijos žodynas

• Schema matching — The terms schema matching and mapping are often used interchangeably. For this article, we differentiate the two as follows: Schema matching is the process of identifying that two objects are semantically related (scope of this article) while… …   Wikipedia

• Database refactoring — A database refactoring is a simple change to a database schema that improves its design while retaining both its behavioral and informational semantics. A database refactoring is conceptually more difficult than a code refactoring; code… …   Wikipedia

• Database model — A database model is the theoretical foundation of a database and fundamentally determines in which manner data can be stored, organized, and manipulated in a database system. It thereby defines the infrastructure offered by a particular database… …   Wikipedia

• Schema evolution — In computer science, Schema Evolution refers to the problem of evolving a database schema to adapt it to a change in the modeled reality.The problem is not limited to the modification of the schema. It, in fact, affects the data stored under the… …   Wikipedia

• Schema — The word schema comes from the Greek word σχήμα (skhēma), which means shape, or more generally, plan . The Greek plural is σχήματα (skhēmata). In English, both schemas and schemata are used as plural forms, although the latter is the standard… …   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

• Database design — is the process of producing a detailed data model of a database. This logical data model contains all the needed logical and physical design choices and physical storage parameters needed to generate a design in a Data Definition Language, which… …   Wikipedia

• 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

• Database trigger — A database trigger is procedural code that is automatically executed in response to certain events on a particular table or view in a database. The trigger is mostly used for keeping the integrity of the information on the database. For example,… …   Wikipedia