SYSTEM AND METHOD FOR UPDATING SIGNATURE DATABASE AND CLIENT TERMINAL DATABASE UPDATING APPARATUS

摘要

PURPOSE: A signature database update system and method, and a database update device of a client terminal are provided to update a database to the recent version by using a transaction log extracted on the basis of database version information. ;CONSTITUTION: A transaction information generator(210) generates transaction information per version based on a changed matter per version of database and stores in storage(212). A transaction log generator(214) compares the transaction information of the recent version and the other version, and generates and stores a transaction log per version. An update server extracts the transaction log from the storage based on database version information of a client terminal. The update server transmits the transaction log and updates a database of the client terminal.;COPYRIGHT KIPO 2011