What are the different types of data warehouses?
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What is the use of tabular model, tabular sql, tabular reference in real time application?
What are the reasons to use a chameleon method in data warehousing?
Suppose if a session fails after loading of 10,000 records in to the target.how can you load the records from 10001 the record when you run the session next time?
How many clustered indexes can u create for a table in dwh? In case of truncate and delete command what happens to table, which has unique id.
What is Star Schema?
What is MODEL is Data mining world?
Difference between cold fusion 5 and cold fusion mx 6?
Explain dimensional modelling?
Where do we use semi and non additive facts?
What are the mapping paramaters and maping variables?
Tell me one example for multi valued dimension or bridge table?
2 Answers Accenture, CMC, IBM, Logica CMG, TCS,
How to handle time period attribute for time dependent data?? a.)add time period as a part of pk b.)add time period simply and make it nullablec.)add time period simply and make it not null.