deductive database

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• Deductive database — It is a database system which can make deductions (i.e.: conclude additional facts) based on rules and facts stored in the (deductive) database. Datalog is the language typically used to specify facts, rules and queries in deductive databases.… …   Wikipedia

• Database theory — encapsulates a broad range of topics related to the study and research of the theoretical realm of databases and database management systems. Theoretical aspects of data management include, among other areas, the foundations of query languages,… …   Wikipedia

• Deductive language — A deductive language is a computer programming language in which the program is a collection of predicates ( facts ) and rules that connect them. Such a language is used to create knowledge based systems or expert systems which can deduce answers …   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

• Database system — A database system is a term that is typically used to encapsulate the constructs of a data model, database Management system (DBMS) and database.[1] A database is an organised pool of logically related data. Data is stored within the data… …   Wikipedia

• Object database — Example of an object oriented model.[1] An object database (also object oriented database management system) is a database management system in which information is represented in the form of objects as used in object oriented programming. Object …   Wikipedia

• Object-relational database — An object relational database (ORD), or object relational database management system (ORDBMS), is a database management system (DBMS) similar to a relational database, but with an object oriented database model: objects, classes and inheritance… …   Wikipedia

• Document-oriented database — A document oriented database is a computer program designed for storing, retrieving, and managing document oriented, or semi structured data, information. Document oriented databases are one of the main categories of so called NoSQL databases and …   Wikipedia

• XML database — An XML database is a data persistence software system that allows data to be stored in XML format. This data can then be queried, exported and serialized into the desired format. Two major classes of XML database exist: XML enabled: these map all …   Wikipedia

• Comparison of object database management systems — Features Information about what fundamental ODBMS features are implemented natively. Name Current Stable Version Language(s) SQL support Datatypes License Description Caché 2010.1.4 ObjectScript (dynamic language), Basic. Java/.NET object mapping …   Wikipedia

• View (database) — Представление (англ. view, в сленге программистов часто используется в качестве заимствования из английского «вью») виртуальная (логическая) таблица, представляющая собой поименованный запрос (алиас к запросу), который будет подставлен как… …   Википедия