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As the number of types of slowly changing dimensions (SCDs) increased, things have ended with Types 0 through 7, making essentially eight of them. But I do not believe full consensus exists among ...
SCD type 2 will store the entire history in the dimension table. In SCD type 2 effective date, the dimension table will have start-date and end-date as the fields. If the end-date is null, then it ...
In this approach, only the information about a previous value of a dimension is written into the database. An ‘Old ‘or ‘Previous’ column is created which stores the immediate previous attribute. The ...