Patent ID: 6463439
Filing Date: 2002-10-08
Classification: G06F,Y10S

Abstract:
A method of accessing a database, comprising:placing information extracted from the database into a first data structure in a storage device, wherein the first data structure is in a master file and the second data structure is in an incremental file; and updating the information in the storage device periodically or when requested when a change in the information occurs in the database by placing the updated information into a second data structure in the storage device which is linked to the first data structure; and wherein the first data structure and the second data structure are linked by a third data structure, which is in an index file; and wherein the placing information extracted from the database into a first data structure in the storage device comprises: creating a first system query language statement; extracting information from the database using the system first query language statement; sorting the extracted information based on primary key; placing the sorted information into the master file in the storage device; and sending a message to said plurality of application programs that the master file has been created.