A COHERENCE OF CACHE MEMORY FOR THE TRANSFORMED CONTENTS

摘要

PURPOSE: A method is provided to identify contents of a database with data stored in a cache memory, the data is changed in real time according to a user request. CONSTITUTION: An assistant memory(17) stores the data which varies in real time according to the user request. A cache memory(14) stores the information with a manufactured format, which is stored in the device(17) and requested by the user at least one time. A database application software(11) receives a query from the user, and sends a response to the query to the user. A database management system(13) manages the contents in the device(17) in response to the query transferred via the application software(11). A cache manager(12) adds newly requested information to the cache memory(14), deletes updated information and provides the information searched in response to the query. A cache connection list(15) and a table connection list(16) are used for adding the information to the cache memory(14) and deleting the information from this cache memory(14).