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Why should we use data ware housing and how can you extract data for analysis with example?
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How we are using this function?
What are the steps involved in creating dimensional modeling process?
What is data warehosuing hierarchy?
Explain the process of extracting data from source systems,storing in ods and how data modeling is done?
What is the difference between snowflake and star schema? What are situations where snowflake schema is better than star schema when the opposite is true?
What are Data Marts?
Describe the differences between a data warehouse and data mart.
wat is code review and wat actually srs or how can we create HLD,LLD.PLS,GIVE ME ANSWER AS EARLY AS FAST.
How many clustered indexes can you create for a table in dwh? In case of truncate and delete command what happens to table, which has unique id.
Which parameter specified in the default storage clause of create tablespace cannot be altered after creating the table space?
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 a core dimension?
Teradata 
