Data processing: database and file management or data structures – Database design – Data structure types
Reexamination Certificate
2006-07-18
2006-07-18
Corrielus, Jean M. (Department: 2162)
Data processing: database and file management or data structures
Database design
Data structure types
C707S793000, C707S793000, C707S793000
Reexamination Certificate
active
07080085
ABSTRACT:
A system and method are provided for an information management system (IMS) to manage heterogenous references in the system, to ensure “referential integrity”, without changing the underlying relational database management system (RDBMS) of the IMS. One or more system tables are kept that are not visible to system users. In one embodiment, the RDBMS' mechanisms to ensure referential integrity for homogenous references is used in conjunction with the system table to extend referential integrity to heterogenous references. In another embodiment, the triggers of the RDBMS, in conjunction with the system table, are used to ensure referential integrity of heterogenous references.
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Choy David Mun-Hien
Raghavan Sriram
Corrielus Jean M.
Rogitz John L.
Woo Isaac M.
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