Answer Posted / bhaskar
When we transfer the data from the source to the target
tables i.e dimension tables,we will be having one primary
key for the dimension table,but in the scd type 2 will be
having the repetative data i.e history+current data,so we
will be using the surrogate key for the dimension tables for
identifying the
rows uniquely this surrogate is implemented in the ETL
process by using the "Sequence Generator Transformation".
The surrogate key will be act as primary key in
the scd type 2 and primary of dimension table will be the
natural key.
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