関連ワード:  db2 sql current date    db2 sql current date minus 1 day    db2 sql current date minus 1 month    db2 sql current date minus 1 year    db2 sql current date yyyymmdd    db2 sql current datetime    db2 sql current date format    db2 select current date    iseries sql current date    db2 select current date from sysibm sysdummy1