DATA PROCESSING METHOD OF DATABASE MANAGEMENT SYSTEM AND SYSTEM THEREOF

摘要

PURPOSE: A data processing method of database management system and a system thereof are provided to selectively record a log according to a transaction, thereby reducing input/output operation for a log record. CONSTITUTION: A RAM(200) provisionally stores all kinds of programs or data. A disk(400) stores processed data and records a log according to a transaction. A DBMS(Database Management System)(300) selectively assigns a log and a no-log attributes to a column of a table used in data units. The DBMS records or skips the log according to a log and a no-log attributes assigned to the column in execution of the transaction.