What are the steps of implementing data warehousing?
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what is difference between Independent Data Mart Dependent Data Mart 1- 1- 2- 2- 3- 3- 4- 4-
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.
Hi, If any hav Informatica n DWH FAQ's,Plz do fwd to s.rajanikanth1980@gmail.com Thnx Vani
What is the difference between olap and datawarehosue?
What is the metadata extension?
What are the various tools? Explain name a few?
what is hybrid schema
Explain what is fact less fact table? Where you have used it in your project?
What is a source qualifier?
Why null values are mapped as 0 in fact tables?
What are the reasons to use a chameleon method in data warehousing?
Explain which are the olap tools available that are supported by oracle?