The way to start threshold migration service is the same for date-based migration service.
启动阈值移植服务的方式与启动基于日期的移植服务相同。
2
The traditional date-based migration looks at the date objects, comparing to system date before a migration will take place.
传统的基于数据的移植关注日期对象，在移植发生前与系统日期相比较。
3
This paper presents a new parallel migration strategy for a query plan in order to adapt the continuity of queries and variability of system environment and date itself.