Please explain in detail with example about
1.Confirmed Dimension.
2.Junk Dimension.
3.Degenerated Dimension.
4.Slowly changing Dimensions
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Answer Posted / usha
1.Confirmed Dimension:- the dimensions that are bult once
and can be use reused in multiple fact tables
2.Junk Dimension:- the dimension which is used to cerate
junk attributes
3.Degenerated Dimension:- The dimension that are located
in fact table
4.Slowly changing Dimensions:- The dimensions that chaanfes
slowly over a period of time.
Types
SCD type1
SCD type2
SCD type3
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