Database management program

Details Database management program Database management program

2005-09-14

2011-12-06

Vital, Pierre (Department: 2156)

Data processing: database and file management or data structures

Data integrity

Fragmentation, compaction and compression

Reexamination Certificate

active

08073823

ABSTRACT:
A database management method for updating data of a duplicated ID sequential arrangement table and arranging segments of data with respect to the arrangement table includes managing a management table holding the arrangement table name and a name of a duplicated key column, arranging a new row in an empty space in a first partial set of segments of rows having identical values in the duplicated key column to that of the new row, searching for a sequential empty space having capacity larger than that needed to hold the first partial set of segments of rows, and moving the first partial set of segments of rows to the sequential empty space and arranging the new row in a different set of segments if the sequential empty space is found or arranging the new row in a new segment if the sequential empty space is not found.

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