Explain what are the mapping paramaters and maping variables?
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Explain what are fact, dimension, and measure?
Explain difference between e-r modeling and dimentional modeling?
What is data analysis?
If your client approaches you and says that he wants to create a Datawarehouse, and provides just the info regarding his source systems. What are all the neccessary actions one is supposed to take/understand and get back with a comprehensive document which convinces the client to proceed with the DW initiative. What are all the documents we need to provide the client?
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 are confirmed dimension? We alwys give date as a conformed dimension but if it has different format for different contries say YYMMDD for italy and MM-DD-YYYY for france.Then are they not confirmed.
4 Answers IBM, MAHINDRA, Tech Mahindra,
Explain what type of indexing mechanism do we need to use for a typical datawarehouse?
After the complete generation of a report who will test the report and who will analyze it?
Suppose we want to display zero when null values coming to report how can we do that?
What are the design methods of data warehousing?
What needs to be done while starting the database?
What are the types of SCD?
Teradata 
