Определение data mart в Английский Язык Английский Язык словарь
A database, or collection of databases, designed to help managers make strategic decisions about their business Whereas a data warehouse combines databases across an entire enterprise, data marts are usually smaller and focus on a particular subject or department
(noun, database) Contains data from the Data Warehouse tailored to support the specific analytical requirements of a given business unit This business unit could be defined to be as broad as a division or as narrow as a department
A subject-specific data warehouse; often departmental or line-of-business; usually under 50GB
A subset of information relevant to a group of users which is transferred to a separate departmental workgroup server The database involved can be relational, although a multi-dimensional OLAP server is often more appropriate Allowing users to access this cuts network traffic A range of tools can be used to access the data in a data mart
-A data warehouse-like approach limited to a single function or purpose, such as promotion planning
A localized, single-purpose data warehouse implementation Typically a small data warehouse or subset of data warehouse designed and constructed to serve the needs of a single, homogenous user group
A form of simplified DW implementation, or a component of an architected data warehouse, which is based on data collected directly from source systems This data is used for a specific departmental rather than an enterprise level decision support purpose
A small version of a data warehouse A database designed to hold concise collections of data for retrieval and analysis by managers
A data warehouse that is limited in scope, whose data are obtained by selecting and (where appropriate) summarizing data from the enterprise data warehouse See also Dependent data mart, Independent data mart
A scaled-down version of a data warehouse that is tailored to contain only information likely to be used by the target group (See dependent data mart; independent data mart )
A data warehouse that is limited in scope, whose data are obtained by selecting and summarizing data from a data warehouse or from separate extract, transform, and load processes from source data systems (11)
A special-purpose, usually smaller, data warehouse created and managed for specific business units Almost always, marketing is the first data mart user in the enterprise
An analytical data store focused on one particular business function designed to serve a particular community of knowledge workers Often, the data mart is sourced from a sub set of data in a data warehouse and sometimes stored in a cube format for faster analysis (See also data warehouse, cube)
A well organized, user- centered, searchable database system A data mart picks up where a data warehouse stops- by organizing the information according to the user's needs (usually by specific subjects), with ease of use in mind
A collection of data organized to support a specific application The application typically is used by a specialized set of users who have a finite set of questions and reports Therefore, the data can be optimized for this use
is a database that has the same characteristics as a data warehouse, but is usually smaller and is focused on the data for one division or one workgroup within an enterprise
A subset of enterprise data along with software to extract data from a data warehouse or operational data store, summarize and store it, and to analyze and present information to support trend analysis and tactical decisions and processes The scope can be that of a complete data subject or of a particular business area or line of business A data mart architecture, whether subject or business area, must be an enterprise-consistent architecture See also Data Warehouse, Operational Data Store