... 数据保密：data security 数据保留时间：data retention time 数据保护印字：printing,data-protection ...
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在爱尔兰，我们有一个对外公开的数据中心，此处的数据保留时间是2年。 而德国规定的是6个月。
Ireland, where we have a publicly disclosed datacenter, says two years; Germany says six months.
删除任何早于这个时间的数据空值，或指定保留结果的期限。
Delete any data older than this time. NULL or the duration these results should be kept.
尽管DB 2 PE的历史数据只保留较短的时间(几小时或几天)，但是一旦数据被保存在PWH中，这些数据便可在很长的时间内用于报告和趋势分析。
While the history data of DB2 PE is only retained for a short time (hours or days), once data is in the PWH, the data is available for reporting and trend analysis over much longer periods.
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