Parallel Database Query

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• Query by Example — (QBE) is a database query language for relational databases. It was devised by Moshè M. Zloof at IBM Research during the mid 1970s, in parallel to the development of SQL. It is the first graphical query language, using visual tables where the… …   Wikipedia

• Database — A database is an organized collection of data for one or more purposes, usually in digital form. The data are typically organized to model relevant aspects of reality (for example, the availability of rooms in hotels), in a way that supports… …   Wikipedia

• Database tuning — describes a group of activities used to optimize and homogenize the performance of a database. It usually overlaps with query tuning, but refers to design of the database files, selection of the database management system (DBMS), operating system …   Wikipedia

• Query optimizer — The query optimizer is the component of a database management system that attempts to determine the most efficient way to execute a query. The optimizer considers the possible query plans for a given input query, and attempts to determine which… …   Wikipedia

• Comparison of relational database management systems — Programming language comparisons General comparison Basic syntax Basic instructions Arrays Associative arrays String operations …   Wikipedia

• Language Integrated Query — LINQ redirects here. For the card game, see Linq (card game). Language Integrated Query Influenced by SQL, Haskell Language Integrated Query (LINQ, pronounced link ) is a Microsoft .NET Framework component that adds native data querying… …   Wikipedia

• Oracle Database — Developer(s) Oracle Corporation Development status Active Written in …   Wikipedia

• Ingres (database) — Ingres Ingres Corporation logo Developer(s) Actian Corporation Stable release Ingres Database 10 / October 12, 2010; 13 months ago (2010 10 12) …   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

• Conjunctive query — In database theory, a conjunctive query is a restricted form of first order queries. A large part of queries issued on relational databases can be written as conjunctive queries, and large parts of other first order queries can be written as… …   Wikipedia

• View (database) — In database theory, a view consists of a stored query accessible as a virtual table in a relational database or a set of documents in a document oriented database composed of the result set of a query or map and reduce functions. Unlike ordinary… …   Wikipedia