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1. Which of the following is an architecturally flexible slowly changing dimension (SCD) model for maintaining history of changes in a data warehouse: a. Type

1. Which of the following is an architecturally flexible slowly changing dimension (SCD) model for maintaining history of changes in a data warehouse: a. Type 1 b. Type 2 c. Type 3 d. All of the above maintain history and do so with equivalent architectural flexibility

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