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Database index

См. также в других словарях:

  • 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

  • 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

  • Database activity monitoring — (DAM) is a database security technology for monitoring and analyzing database activity that operates independently of the database management system (DBMS) and does not rely on any form of native (DBMS resident) auditing or native logs such as… …   Wikipedia

  • Database Forensics — is a computer science term referring to the forensic study of databases. Definition of Computer forensics:“Gathering and analyzing data in a manner as free from distortion or bias as possible to reconstruct data or what has happened in the past… …   Wikipedia

  • Index locking — is a procedure in which running one task on a database table blocks all access by other tasks to the entire table. With index locking it may be necessary to lock the index build for a column, not just the data items themselves. Index locking… …   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 Management Library — DBL Database Management Library Developer(s) ROCHA, Rodrigo C. O. Initial release July 2010 (2010 07) Stable release 1.0 / July 2, 2010; 15 months ago (2010 07 02) …   Wikipedia

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