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Prevent selection rule and lookup columns need to exist in the valid tables

I'm not sure how this goes with the Timextender architecture but I would like to be able to not necessarily have the columns that are used for a selecton rule or a lookup exist in the valid table.

Ex. 1: I don't always want the column that I use in a selection rule from a staging table to be available in a final dimension table. The where clause is based on a column that exists in the staging database so I should'nt be forced to have it in the DW table if don't need it.

Ex. 2: If I am using lookup in a fact table to get a surrogate key from a dimension table I don't want the natural key that I used for the lookup to necessarily be visible in the fact table. I would like to be able to join using the natural key column from the raw fact table and only display the lookup value in the valid fact table.

Best regards,
Andri

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