Data transformer system for accessing database information

Details Data transformer system for accessing database information Data transformer system for accessing database information

1997-11-24

1999-12-14

Choules, Jack M.

Data processing: database and file management or data structures

Database design

Data structure types

707 1, 707100, G06F 1730

Patent

active

060030259

ABSTRACT:
A database accessing system wherein a data transformer is provided to make it possible to access data between one or more different databases storing and retrieving information in a predetermined and heterogeneous format. The system has one or more data providers for accessing information stored in at least one of the databases, each data provider having a set of predetermined entry points and having a unique identifier assigned. One or more data manipulators are provided which call a particular data provider by its identifier and provides the data provider with the set of predetermined entry points associated with that particular data provider and performs some manipulation on the information provided by the data providers. One or more data transformers are also provided which intercept calls intended by data manipulators for data providers and provide the data manipulator the information requested in the format requested. The data transformer, preferably, has a unique identifier and the same entry points as the data provider from which it intercepts calls.

REFERENCES:
patent: 5343529 (1994-08-01), Goldfine et al.
patent: 5594899 (1997-01-01), Knudsen et al.
patent: 5634127 (1997-05-01), Cloud et al.

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