Glossary G

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gantt chart

A Gantt chart is a horizontal bar chart developed as a production control tool in 1917 by Henry L. Gantt, an American engineer and social scientist. A Gantt chart provides a graphical illustration of a schedule that helps to plan, coordinate, and track specific tasks in a project.

gateway

A software product that allows SQL-based applications to access relational and nonrelational data sources.

global business models

Provides access to information scattered throughout an enterprise under the control of different divisions or departments with different databases and data models. This type of data warehouse is difficult to build because it requires users from different divisions to come together to define a common data model for the warehouse.

granularity

Degree of summarization of data.

grid computing

A Web-based operation that will allow companies to share computing resources on demand.

GUI

graphical user interface