author: maurizio lenzerini

Fundamentals of Data Warehouses

... normalization functions that transform and standardize heterogeneous data formats q Special-purpose cleaning that ... Oracle [OrCo96] that transforms data from external files or tables into and Oracle database. In brief, SQL*Loader loads ...

Fundamentals of Data Warehouses

... abbreviation , the state name , or even the state code ) ; • Free - form text may hide some important information as the " C / O " specification that may appear in a name or an address field ; • Inconsistent values for the same entity ...

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