Question d’entretien chez Accenture

1. dataware housing concepts : difference between OLTP/OLAP ,difference between Fact/Dim 2. Informatica : difference between lookup/Joiner,types of tranformations , more on lookup and file loading 3. Database : how to delete dups from table, Cross join function , difference between delete/truncate ,difference between intersect/inner join, query approch 4. Informatica scenarios : read bulls raider for the same