Method for efficiently searching free space in a relational...

Details Method for efficiently searching free space in a relational... Method for efficiently searching free space in a relational...

G - Physics

06

F

G06F 17/30 (2006.01)

Patent

CA 2249080

A method for efficiently searching free space in a relational database management system. The method limits the search to a finite number of space map pages in the free space map. If the configured number of space map pages in the free space map are searched and a page with free space is not found for the row, the row is inserted on the last page, or if no space is available on the last page a new page is created and the row is inserted on the new page. New rows are then appended until some predefined amount of space is filled before a search is done again. As a result, insertion of a row into the database management system does not incur the worst-case cost of searching the entire free space map.

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