Is snow flake or star schema used?
If star schema means why?
Answer Posted / senthil
hi
normally people using star schema in data warehousing
because it is de_normalized and easy way to retrieve data
from target and also understanding..
But snow flake is in fully normalized.normally OLTP
we use normalized ..
star schema used in data warehousing ..
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
what is INFORMATICA TESTING process
What is the different lookup cache(s)?
Can you use flat files in Mapplets.
What is the difference between informatics 7x and 8x and what is latest version?
What is union transformation in informatica?
Hi, In source I have records like this No name address 10 manoj mum 10 manoj dilhi 20 kumar usa 20 kumar Tokyo I want records in target like shown below No name addr1 addr2 10 manoj mum dilhi 20 kumar usa Tokyo If it is reverse we can do this by using Normalizer transformation by setting occurance as 2. Somebody will say use denoralization technique. But as of my knowledge I couldn’t find any denormalization technique. Is there any concept like that? I tryid this seriously but I could find any idea to implement this. Can any one please help me ? Advance Thanks
Which development components of informatica have the highest usage?
Which files are created during the session rums by informatics server?
Explain why we use partitioning the session in informatica?
what are the deliverables?in your project?
What is InformaticaPowerCenter?
What are the different types of repositories created using informatica?
What if the source is a flat-file?
explain one complex mapping with logic? sales project?
Explain the difference between a data warehouse and a data mart?