Explain how many ways you create ports?
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Explain what is a view as it relates to system modeling?
why we use dmr model in cognos report studio ? give me difference between dmr model and relational model.
Explain what are the various methods of getting incremental records or delta records from the source systems?
Explain what is the data type of the surrogate key?
What is the definition of cube in datawarehousing?
What are the other names given to data warehousing?
State any 5 of Cods guidelines of an OLAP system, brief description each?
Hyperion is the one of the tool in data ware house. Its an olap tool. Why you cant display that tool?
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.
How to join 3 database like flat file, oracle, db2 in informatrica?
DWH architecture?
Explain when do we analyze the tables? How do we do it?