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  >  ETL

 Print  |  
Question:  What is the Difference between a ODS and Staging Area



January 01, 2009 21:31:37 #3
 Vamshidhar   Member Since: February 2008    Total Comments: 4 

What is the Difference between a ODS and Staging Area
 
ODS (Operational Data Source) is the first point in the Datawarehouse. Its store the real time data of daily transactions as the first instance of Date.

Staging Area, is the later part which comes after the ODS. Here the Data is cleansed and temporarily stored before loaded into the Datawarehouse.
     

 

Back To Question