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What Is Time Variance?
This discussion of Time Variance in a data warehouse assumes a shared understanding of data warehousing. If you are unsure of the meaning and application of such terms as transaction table, fact table, dimension table, or entity, then please have a copy of Building and Maintaining a Data Warehouse handy. These terms and the methods by which we use them are explained in Building and Maintaining a Data Warehouse. So, rather than try to surmise the meaning and application of data warehouse jargon, please be ready to reference Building and Maintaining a Data Warehouse, which is a book on the basics of data warehousing.
Time Variance. This is one of those phrases penned by IT people, for IT people. It’s a bit of shorthand. ...
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