System and method for correlated fragmentations in databases

Details System and method for correlated fragmentations in databases System and method for correlated fragmentations in databases

2007-01-09

2007-01-09

Ali, Mohammad (Department: 2166)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000

Reexamination Certificate

active

09796928

ABSTRACT:
Apparatus and methods to identify a home fragment for a child row of a child table of a database, the home fragment for a row being the fragment in which the row is stored. A child key value of the child row is obtained and used to identify a fragment of a parent table that is correlated with the child key value of the child row. The child key value being the value of a child key attribute of the child row and represents a reference to a parent row in a parent table. The result is the home fragment for the child row that corresponds to identified fragment of a parent table that is correlated with the child key value of the child row.

REFERENCES:
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Kulkami et al, “Using semantic knowledge of partitioning and allocation of data in distributed databases”, vol. ii, Jan. 8-11, 1991, pp. 146-154.

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