GeekInterview.com
   Home |  Tech FAQ  |   Interview Questions |  Placement Papers |  Tech Articles |  Learn |  Freelance Projects |  Online Testing |  Geeks Talk |  Job Postings |  Knowledge Base | Site Search |  Add/Ask Question

  GeekInterview.com  >  Interview Questions  >  Data Warehousing

 Print  |  
Question:  Surrogate Key

Answer: Why do we use Surrogate Key?


November 11, 2008 17:38:50 #1
 developer_veni   Member Since: October 2008    Total Comments: 2 

RE: Surrogate Key
 
Surrogate key:

It is the system generated key which cannot be edited by the user.
It is the primary key of the dimension table in warehouse.
It is nothing but the sequence which generates the numbers for primary key column.
     

 

Back To Question