Method and apparatus for generating reports using declarative to

Details Method and apparatus for generating reports using declarative to Method and apparatus for generating reports using declarative to

1997-01-21

1998-09-15

Powell, Mark R.

395333, 395342, 395604, 395614, G06F 1500, G06F 900

Patent

active

058092668

ABSTRACT:
The present invention is a method and apparatus for declarative report definition and generation using an enhanced, graphical data model and a graphical user interface (GUI) for graphically specifying data items and data computations to be performed on the data is described. It provides a set of data model objects, a data model painter for creating, defining, and visualizing the data model objects, and a data engine that retrieves the data according to the definition of the data objects. That is, the present invention provides a graphical data model allowing a user to graphically specify both the data and computations to be performed on the data and uses the layout metaphor (i.e., "painter") to specify the data. Data model objects include: queries, groups, columns, parameters, cross products, and links. Unlike the prior art, allows the use of multiple queries each containing one or more break groups and cross product groups where groups belonging to two different queries are connected by link objects. The resulting structure is therefore a forest of groups where each group contains one or more columns, thereby enlarging the scope of report definition tools available to users.

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