Invention Grant
US08688658B2 Management of time-variant data schemas in data warehouses 有权
管理数据仓库中的时变数据模式

Management of time-variant data schemas in data warehouses
Abstract:
A system, method, and computer readable medium for preserving information in time variant data schemas are disclosed. The method includes determining if at least one modification request associated with a database schema has been received. In response to the modification request being received, a metadata table associated with the database schema is updated to include at least one entry associated with the modification request. The entry identifies an instance in time when an action associated with the modification request was performed.
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