Hybrid database query caching

Details Hybrid database query caching Hybrid database query caching

2006-10-17

2010-06-22

Trujillo, James (Department: 2159)

Data processing: database and file management or data structures

Database and file access

Query optimization

C707S721000, C707S706000

Reexamination Certificate

active

07743053

ABSTRACT:
In one embodiment, a computer system comprises one or more processors, and a memory module communicatively connected to the one or more processors. The memory module comprises logic instructions stored on a computer readable medium which, when executed on the one or more processors configure the one or more processors to receive, in a hybrid caching module, database query, determine whether at least a portion of an existing execution plan stored in a memory module coupled to the hybrid caching module can be reused to implement the database query, reuse at least a portion of an existing execution plan stored in the memory module coupled to the hybrid caching module when possible, and generate a new execution plan when the memory module lacks an existing execution plan adaptable for use with the database query.

REFERENCES:
patent: 6466931 (2002-10-01), Attaluri et al.
patent: 2006/0031189 (2006-02-01), Muras et al.
patent: 2006/0085375 (2006-04-01), Egan et al.

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