| 摘要 |
PROBLEM TO BE SOLVED: To greatly reduce the processing time when deleting collectively a large quantity of data. SOLUTION: When managing respectively plural continuous data pages as one continuous area among plural data pages used in the same database file by using an area management information 6 in a database 7 by a record processing control means 1 in a data storing region management device 10, and deleting collectively plural data records belonging to the same database file, if the deletion object data records are stored successively in one or more continuous areas, the plural data pages are cut off collectively from a chain between pages by a continuous page deletion means 5, regarding the continuous areas as a unit.
|
