| 主权项 |
1. A hybrid database management system (DBMS) comprising:
a data loading unit for loading data in a disk to a memory; a memory address mapping unit for generating a mapping table in the memory by mapping a page identification (ID) for identifying respective pages constituting a memory table and a memory index to a memory address of the respective pages, while the data in the disk is loaded to the memory; and a random data loading unit for, when data is to be accessed before the mapping table is completed, searching for a memory address of the data to be accessed, with reference to the mapping table and, if the memory address is not found, calling the data to be accessed from the disk and loading the called data to the data loading unit, adding a memory address to which the called data is loaded, to the mapping table, and mapping the added memory address to a page ID to which the called data belongs. |
