A process that involves evaluating data to identify problems with the content of a database.
A climate-controlled building or set of buildings. that house the servers that store and deliver mission-critical information and services.
A detailed description of all data used in the database.
The manner in which data in a database is organized into sequential levels of detail.
The situation when data stored in the database is accurate and up to date.
The process of extracting information from a data warehouse or a data mart.
typically large database that holds important information from a variety of sources.
database administrator (DBA)
A skilled and trained computer professional who directs all activities related to an organization's database, including providing security from intruders.
database management system (DBMS)
A group of programs that manipulate the database and provide an interface between the database and the user or the database and application programs.
A database where data is spread across several databases at different locations.
The components of a database record, which may be a name, number, or combination of characters that in some way describes an aspect of an object.
A collection of related records, sometimes called a table.
garbage in, garbage out (GIGO)
A situation where inaccurate input causes inaccurate output in a database.
A field that uniquely identifies each record in a database file.
A collection of related fields that describe some object or activity.
A database model in which all data elements are placed in two-dimensional tables called relations that are the logical equivalent of files.
An outline of the logical and physical structure of the data and relationships among the data in the database.
Structured Query Language (SQL)
A popular standardized data manipulation language.