System and method for inputing data to a sort utility from a...

Details System and method for inputing data to a sort utility from a... System and method for inputing data to a sort utility from a...

2006-09-19

2006-09-19

Corrielus, Jean M. (Department: 2162)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000, C707S793000, C719S328000

Reexamination Certificate

active

07111003

ABSTRACT:
A method and system for inputing data to a sort utility from a user program. In one embodiment, first parameters may facilitate optimization for both programs, by either the user program or the sort utility. The sort utility may process the first parameters to optimize sorting by: returning second parameters to the user program; and supporting a multi-record interface between the two programs. The sort utility may process the data records into the multi-record interface by constructing reformatted data records and inserting the reformatted data records into the multi-record interface, or by utilizing an exit routine to construct and insert the reformatted data records into the multi-record interface. The sort utility may sort the data records (e.g., by directly processing them), optimizing memory usage by the sort utility and/or the user program. The processing and sorting actions of the sort utility program may be coordinated and overlapped.

REFERENCES:
patent: 4587628 (1986-05-01), Archer et al.
patent: 5535378 (1996-07-01), Arnold
patent: 5799307 (1998-08-01), Buitron
patent: 5893079 (1999-04-01), Cwenar
patent: 6295539 (2001-09-01), Isip, Jr.

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