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  >  Basics

 Print  |  
Question:  What is ETL

Answer:
Answered by sunitha on 2005-04-28 21:17:53: ETL is extraction,trasformation and loading,ETL technology is used for extraction the information from the source database and loading it to the target database with the necessary trasformations done in between.


July 07, 2005 13:53:20 #3
 Ajay   Member Since: Visitor    Total Comments: N/A 

RE: What is ETL
 
ETL is an abbreviation for "Extract, Transform and Load".This is the process of extracting data from their operational data sources or external data sources, transforming the data which includes cleansing, aggregation, summarization, integration, as well as basic transformation and loading the data into some form of the data warehouse.
     

 

Back To Question