For example, consider a data warehouse that tracks sales information.
例如，请考虑一个跟踪销售信息的数据仓库。
DB2 tracks two different types of temporal data: system time and business time.
DB 2跟踪两种不同类型的时态数据：系统时间和业务时间。
I don't want or care about anything that tracks personal data about my team.
我不希望也不关心跟踪团队的个人数据。
The second table tracks information about Clients, including contact data.
第二个表跟踪客户信息，包括联系方式。
Each node tracks one piece of data.
每个节点的赛道之一，一段数据。
Each node tracks one piece of data.
每个节点的赛道之一，一段数据。
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