关键词: 数据截止期, 优先级分派, 运行时间估算

Abstract: Generally the deadline of transaction is only considered in dealing with real-time transaction scheduling,but in many cases,scheduling method is directly related with data deadline.This paper analyzed in detail if different scheduling strategy could consider data deadline and thus induced the existed rule.Based on the overall run-time estimation of transaction,the author offered the transaction strategy aimed at data deadline and transaction deadline.

Key words: data deadline, priority assignment, run-time estimation