对于系统时间表，DB 2还帮助将历史数据存储在一个与时态表相关联的历史表中。
For system time tables, DB2 also helps store historical data in a history table associated with the temporal table.
尽管DB 2将自动存储行的历史版本，但您必须创建一个历史表来包含这些行，并将它与系统周期时态表相关联。
Although DB2 will automatically store historical versions of rows, you must create a history table to contain the rows and associate it with the system-period temporal table.
历史表必须拥有与系统维护的时态表相同的列数和列顺序。
The history table must have the same number and order of columns as the system-maintained temporal table.
事件发生使得系统状态进行转移 ，事件历史中事件变更对时态数据库具有很重要影响。
The event modification in the event history has the important influence on the temporal database.
事件发生使得系统状态进行转移 ，事件历史中事件变更对时态数据库具有很重要影响。
The event modification in the event history has the important influence on the temporal database.
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