Hi Every One,What is Use of Factless Fact Table ?
Why we use Factless Fact Schema in the Projects
waiting for reply? thank you

Answer Posted / purnima

to combine two diffeerent diminsions information we use
fact less fact table.
for ex:if we want to get deatails about a promotion
information like when it is lauched.we will get that
information from promotion dimensions and time
dimension ,so in this scenerio there is no need of any fact
information but we need data from thes two dimension then
we go for factless fact table

Is This Answer Correct ?    1 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is dynamic cache?

614


Suppose we do not group by on any ports of the aggregator what will be the output?

578


explain any diffcult scenario that u have faced in your experience... or explain any complex maping u have developed?

1705


Differentiate between joiner and lookup transformation?

618


What is target designer and target load order?

657






What is mapping debugger?

574


In development project what is the process to follow for an etl developer from day1

1284


Name at least 5 different types of transformations used in mapping design and state the use of each.?

670


Enlist the various types of transformations.

559


What does cheating measurement mean?

600


Why union transformation is an active transformation?

653


What are the types of schemas we have in data warehouse and what are the difference between them?

523


What is informatica?

680


What are the various test procedures used to check whether the data is loaded in the backend, performance of the mapping, and quality of the data loaded in informatica?

596


Explain what transformation and how many are there in informatica?

486