| 摘要 |
PROBLEM TO BE SOLVED: To provide a data management method wherein an access time to latest data does not become long even if repeating update of data. SOLUTION: This data management method has steps for: writing the data into a data area in order of a small address; retrieving whether or not the data are stored in the data area of the minimum address about each memory area; retrieving the memory area of the maximum address among the memory areas wherein the data are stored in the data area of the minimum address as the memory area during use; retrieving the data area not storing the data among the data areas inside the memory area during the use as an unused data area; writing new data into the unused data area; and reading the data by tracing back to the data area of the small address from the unused data area in time of the data reading. COPYRIGHT: (C)2008,JPO&INPIT
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