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What is difference between e-r modeling and dimensional modeling?
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What is data analysis? Where it will be used?
Explain dimensional modelling?
If two relational tables are connected to sq trans, what are the possible errors it will be thrown?
What are the different methods of loading dimension tables?
Which columns go to the fact table and which columns go the dimension table?
What is the goal of optimizer?
i have scheduled a report in a job in the cognos8.3 which would send the reports to the respective user ,now the repot ran and is sent to the respective user but it contains some unwanted data. So based on the senario can any one tell me that can we recall back the report ??????
what is difference between drill & scope of analysis?
Briefly state different between data ware house & data mart?
What is vdl (view definition language) explain?
What are the mapping paramaters and maping variables?
What is the purpose of cluster analysis in data warehousing?
Teradata 
