Buffered table user index

Details Buffered table user index Buffered table user index

1996-01-12

1998-04-28

Black, Thomas G.

Data processing: database and file management or data structures

Database design

Data structure types

707203, 707204, G06F 1730

Patent

active

057459045

ABSTRACT:
A computer database management system has a table buffer for buffering as yet uncommitted modifications of records in an original shared database table and a look aside index for redirecting original table accesses to the modifications in the table buffer. Record modifications in the table buffer are indexed by a modified value index having a same key structure as a user-defined index on the original table. An indexing logic performs index functions on both the user-defined index and modified value index to provide integrated indexing of the original table records and table buffer modifications with the user-defined key order.

REFERENCES:
patent: 4648036 (1987-03-01), Gallant
patent: 5237661 (1993-08-01), Kawamura et al.
patent: 5333310 (1994-07-01), Sakai
patent: 5581754 (1996-12-01), Terry et al.

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