Explain the three Level Architecture of the Database System

0 Answers   HCL,

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What is the type of image in database?

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What is data sparsity and how it effect on aggregation?

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What are the importance of partitioning in dbms?

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How do you invoke datastage using unix?

3 Answers  

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Can you have more than one cursor open at any one time in a program ?

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What is etl process in data warehousing? What are the different stages in 'data warehousing'?

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Is sql a database?

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What is the difference between primary key and secondary key?

0 Answers   Axtria, ITC Indian Tobacco Company,

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Can the SNAPSHOTS be refreshed automatically ?

1 Answers  

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Explain bcnf (boyce-codd normal form)?

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Explain what is meant by asymmetrical protocols?

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