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Data Warehouse General Interview Questions
Questions Answers Views Company eMail

What is data analysis?

957

What is core dimension?

1061

Which parameter specified in the default storage clause of create tablespace cannot be altered after creating the table space?

960

What are the data types present in bo? What happens if we implement view in the designer n report?

934

What are the data types present in bo?

1127

What is meant by metadata in context of a data warehouse and how it is important?

1203

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.

1035

what is difference between drill & scope of analysis?

1090

Which technology should be used for interactive data querying across multiple dimensions for a decision making for a dw?

1066

What is the difference between olap and oltp?

1057

Can you pass sql queries in filter transformation?

1017

What is meant by metadata in context of a data warehouse?

961

What is a data profile?

973

Can a dimension table contain numeric values?

1058

What do you mean by static and local variable?

963


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Un-Answered Questions { Data Warehouse General }

What are situations where snowflake schema is better than star schema when the opposite is true?

978


What are situations where snow flake schema is better than star schema to use and when the opposite is true?

996


What is a relationship?

989


What are the difference between snow flake and star schema?

1006


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 347 what is hybrid slowly changing dimension?

1059


What is "method/1"?

1057


Explain what are the various reporting tools in the market?

981


What is the purpose of cluster analysis in data warehousing?

1008


What is real-time datawarehousing?

1018


Explain what is fact less fact table? Where you have used it in your project?

933


What is the data type of the surrogate key?

1004


What is the difference between ods and oltp?

1013


What is a data warehousing?

1154


What is the difference between agglomerative and divisive hierarchical clustering?

1184


Explain about core dimension, balanced dimension, and dirty dimension?

1007