Explain the process of extracting data from source systems,storing in ods and how data modeling is done?
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What are the key features of chameleon that separates it from other algorithms?
Business rule implemntation depends on? 1.)ETL requiremnts 2.)ETL performance 3.)business requirements.
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.
in siebel analytics by using dashboard prompts in a page have 2 reports so i have to give dashboard prompt to applied on first report only that will not applied to 2 report how it will do
Is there any default username & pwd for bo designer & supervisor?
if we increase the number of dimensions will the rows in fact table increase or decrease??
what is a hot file, why we need in datawarehousing, where we used in general
How can you clear the cache?
What is a core dimension?
wht is degenerated dimension ?it's uses?
What is conformed dimension?
What needs to be done while starting the database?