A database that consists of two or more data files located at different sites on a computer network. Because the…
An information processing and analysis tool that accesses or queries the source database or data warehouse across a network using…
A generic term used to refer to a computer system or software that supports data analysis, reporting, and other data…
Often used interchangeably to refer to hardware or software. Both uses pertain to the same principle—a database architecture prepared to…
The process of duplicating a portion of a database from one environment to another and keeping the data in other…
A request for information from a database. There are three general methods for posing queries: (1) Choosing parameters from a…
Defines a data object as containing code (sequences of computer instructions) and data (information that the instructions operate on). Traditionally,…
Data items organized as a set of formally described tables from which data can be accessed or reassembled in many…
A special case of the hierarchical data model in which each record type can have multiple owners (e.g., purchase orders…
A data model that links records together like a family tree, but each record type has only one owner (e.g.,…