数据仓库目标通常是用通用语句定义的。
Data warehouse objectives are typically defined in general statements.
重复以上步骤导入两个数据仓库目标表。
Repeat the prior steps to import the two data warehouse target tables.
理解仓库目标表中的数据为何以及何时被意外地删除。
Understand why and when data in a warehouse target table was — accidentally — deleted.
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