METHOD AND SYSTEM FOR RETRIEVING DATABASE AND RECORDING MEDIUM HAVING DATABASE RETRIEVAL PROGRAM RECORDED THEREON

摘要

PROBLEM TO BE SOLVED: To solve such a problem that the data updating date of a DBMS cannot be known when job date or data updating date is not explicitly handled as an item of a table on a database on the DBMS and that communication quantity is increased in a method for acquiring sharpness information by a data sharpness manager. SOLUTION: By providing a system date extracting part for extracting date information from an updating log file managed by each DBMS and a date information merging processing part for merging the date information as a result of retrieval, the date when data are updated is provided for a user easily to utilize it for job.