That is a single application can process historical, stored data butrather than ending when it reaches the last record it can keep processing as future data arrives.
rather than ending 是做什么成分
when it reaches the last record it can keep processing as future data arrives.中when it reaches the last record 是条件状语从句，but连接真正的主句是it can keep processing as future data arrives
That is, a single application can process historical and stored data but rather than ending when it reaches the last record it can keep processing as future data arrives.
