1.

Define Slowly Changing Dimensions (scd)?

Answer»

SCD are dimensions whose DATA changes very slowly.
eg: city or an employee.

  • This dimension will change very slowly.
  • The row of this data in the dimension can be EITHER replaced completely WITHOUT any track of old record OR a new row can be INSERTED, OR the change can be tracked.

SCD are dimensions whose data changes very slowly.
eg: city or an employee.


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