What is Datawarehousing?
subject oriented, time variant, integrated, non volatile collection of data for decision making
transfer of data
Loading of data
data quality
Who is a famous guru of DW?
Bill Gates
Ralph Kimball
Steve Ballmer
Stephen Covey
What is an important process in DW?
LTE
TLL
ETL
EET
What does ETL stands for?
Extract, Transact, Load
Extrapolate, Transact, Load
Extrapolate, Transform, Load
Extract, Transform, Load
Which is a famous ETL tool
Informatica
Cognos
Visio
Crystal Reports