Multi-dimensional data structure caching

Details Multi-dimensional data structure caching Multi-dimensional data structure caching

2005-05-24

2005-05-24

Corrielus, Jean M. (Department: 2172)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000, C707S793000, C707S793000

Reexamination Certificate

active

06898603

ABSTRACT:
End-user specified insertion of elements into a database cache is disclosed. The systems and methods of the invention define an efficient mechanism allowing a user with knowledge of anticipated behavior of a database application program to specify cell data that is cached before it is required by the application program. The system determines an appropriate set of cell data to be cached that meets the end-users specification and that can be obtained with a minimum of round-trips to a database server. In a multidimensional database, the system determines a maximum depth level for each user specified dimension member set. A target set of dimension members is formed comprising the set of members at the maximum level that have a common ancestor member. The cell data representing the cross product of the target sets is then obtained and cached.

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