What are the differences between star and snowflake schema?


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More Data Warehouse General Interview Questions

How can you set the session management?

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What is a ETL/ How does Oracle support the ETL process?

1 Answers  


Suppose we have some 10,000 odd records in source system and when load them into target.how do we ensure that all 10,000 records that are loaded to target doesnt contain any garbage values?

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Describe the differences between a data warehouse and data mart.

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Explain if a flat file cotains 1000 records how can I get first and last records only?

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What is the purpose of cluster analysis in data warehousing?

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What are Non-additive facts?

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Explain reference cursor?

0 Answers  


What is Operational Data Store?

0 Answers   Informatica,


Suppose date is 05sep2005; I want the output like 05sep2005:00:00:00 ; how it will come?

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How are the dimension tables designed?

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what is table partitioning? How it is useful to warehouse database?

1 Answers   EDS, IBM,


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