This requires that the data from the transactional system be transformed before being loading into the warehouse table.

这需要在将来自事务系统的数据加载到数据仓库表中之前，对其进行转换。

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Before running the test, delete the data from the tables.

在运行测试之前，从表中删除数据。

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When finally there is a need, retrieve the data from the persistent data store before continuing on with processing.

最后有需要时，在继续处理之前从永久性数据存储中检索数据。

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But safety campaigns kicked off in 2001 sharply dropped the number of lightning deaths each year, so that 30-year average consistently overestimates fatalities because it includes data from before the recent decline, Roeder said.

MSN: News flash: Lightning deaths continue to decline in US

The data comes from before the miserable month of October, when the stock market slid and dragged consumer sentiment down with it.

FORBES: Market Scan

The information has all patient data removed from it before it is shared.

BBC: Many hospitals not sharing crime data, audit shows