what is the architecture of any Data warehousing project?

Answer Posted / rekha

PROJECT PLANNING
REQUIREMENTS GATHERING ---PRODUCT SELECTION AND INSTALLTION

DIMESIONAL MODELING --- PHYSICAL
MODELING ---- DEPLOYMENT --- MAINTENANCE

IN EASY TREMS FOR DIMENSIONAL MODELING
1. SELECT THE BUSINEE PROCESS
2 IDENTIFY THE GRANINS
3 . DESIGN THE DIMENSION TABLE
4 . DESIGN THE FACT TABLE
ONCE THESE 4 STPE ARE OVER IT WILL MOVE TO PHYSICAL
MODELING
IN PHYSICAL MODELING U APPLY THE ETL PROCESS AND
PERFORMANCE TECHNOQUES .

Is This Answer Correct ?    3 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

my source is junk data how will u remove that junk data by using unix please any one replay me

3243


Define filter transformation?

626


What is a snowflake schema?

573


What are connected or unconnected transformations?

630


How do you convert single row from source into three rows into target?

605






What do you understand by a term domain?

670


What are the tasks that source qualifier perform?

633


Different sorts of metadata that stores in the storage facility?

561


What is the difference between router and filter?

651


What are the various types of transformation?

646


How to use procedural logic inside infromatica? If yes how, if now how can we use external procedural logic in informatica?

697


What are the basic requirements to join two sources in a source qualifier transformation using default join?

615


What is workflow monitor?

603


Can anyone tell me the new features in Informatica 9 Version?

1532


Explain the different kinds of facts.

566