Why we require dwh in particular projects?
Answer / chandu
for maintaing history
for analysing the business etc;
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A mapping contains (1) Source Table S_Time ( Start_Year, End_Year ) (2) Target Table Tim_Dim ( Date, Day, Month, Year, Quarter )
how to load first record of first time run,second record to 2nd time n 3rd record from 3rd time to target table
Explain the shared cache and re-cache?
what are cost based and rule based approaches and what is the difference?
How many ways a relational source definition can be updated and what are they?
why cant we put a sequence generator or upd strategy transformation before joiner transformation?
Which files are created during the session rums by informatics server?
How informatica recognizes mapping?
what is normalization? explain 1st NF, 2nd NF, 3rd NF
What is mapplet and a reusable transformation?
Can we create multiple integration service on single repository?
what are surrogate keys?