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what use of surgate key in project

Question Posted / pradeep

Answers were Sorted based on User's Feedback



what use of surgate key in project..

Answer / kumar

Hi,

Surrogate are System generated sequential Values.

We use these keys to maintain the Historical data in EDW&
to set up relationship between Dimension Table & Fact Table.
It plays a key role in Maintain Historical data in EDW.

We prefer these Keys Even we have the Primary key Columns
in the Tables, since a customer may purchase several times
in a single day irrespective of time & Bill No. are
different.
In this situation we take these keys that give different
No. for several times Purchase in a single day.

Is This Answer Correct ?    4 Yes 0 No

what use of surgate key in project..

Answer / sindhuchowdary5

Surgate is a system generator sequence,by using this we can
store the historical data tha means it stores the type 2 data,
it acts as primary key in dimension table

Is This Answer Correct ?    1 Yes 1 No

what use of surgate key in project..

Answer / fgdfgd

Surgate is a system generate key , using this key we can maintain historical data in DWH .

Is This Answer Correct ?    0 Yes 0 No

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