What is etl process? How many steps etl contains?
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what types of repositories we can create in informatica? in real time in which type of repository we will work on?
How we can see table structure?
can Informatica be used as a cleansing tool? If yes, give examples of transformations that can implement a data cleansing routine.
what is the difference steps for data modeling?
what is the difference between cubes and package in cognos
what is session partitioning?
What are the types of Data Warehouse applications?
List few etl bugs?
What is virtual Data Warehousing?
what are the facilities provided by OLAP to analytical users?
where are the log files generally stored.Can you change the path of the file.what can the path be?
diff b/w dwh & data mart diff b/w star schema & snow flake schema diff b/w fact table & dimension table what are the contents in requirement specification what are the docs needed for testing draw ur proj architecture