Index (database)

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• Index (database) — A database index is a data structure that improves the speed of data retrieval operations on a database table at the cost of slower writes and increased storage space. Indexes can be created using one or more columns of a database table,… …   Wikipedia

• Index (database) — …   Википедия

• 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

• Index (search engine) — Search engine indexing collects, parses, and stores data to facilitate fast and accurate information retrieval. Index design incorporates interdisciplinary concepts from linguistics, cognitive psychology, mathematics, informatics, physics, and… …   Wikipedia

• Index — An index is a system used to make finding information easier.Index may also refer to:* Index (publishing), a detailed list, usually arranged alphabetically, of the specific information in a publication * Index cards in a rolodex or old library… …   Wikipedia

• Index (information technology) — This is referring to Index in the context of Information Technology. For other meanings, see Index. In computer science, an index can be: # an integer which identifies an array element # a pointer data element. # a data structure that enables… …   Wikipedia

• Database storage structures — Database tables/indexes are typically stored on hard disk in one of many forms, ordered/unordered Flat files, ISAM, Heaps, Hash buckets or B+ Trees. These have various advantages and disadvantages discussed in this topic. The most commonly used… …   Wikipedia

• Database security — concerns the use of a broad range of information security controls to protect databases (potentially including the data, the database applications or stored functions, the database systems, the database servers and the associated network links)… …   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

• 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

• Database administration and automation — Database administration is the function of managing and maintaining database management systems (DBMS) software. Mainstream DBMS software such as Oracle, IBM DB2 and Microsoft SQL Server need ongoing management. As such, corporations that use… …   Wikipedia