What is dimensional modelling ? What is the difference between data modelling and dimensional modelling and erwin modelling.
What is the need for an ods(operational data store) in data warehousing?What are the advantages of using an ods?
Hi, this is ram working as a system administrator I had installed the Informatica powercenter 7.1.1 and when I was configuring the repository server it is giving "the server could not contact" message, I never faced this problem before pls anybody had any solution pls send to me as early as possible...
I am unable to start my Informatica repository service, even if I start the service, it stops immediately.Please, any one have a solution to this problem(i installed Informatica 7.1 on windows XP home edition, Oracle 10g)thanks a lot.Nagesh