Difference between e-r modeling and dimentional modeling?

0 Answers  

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How would you write a left join statement to return a result set of movie.title�s and director.name�s?

0 Answers  

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explain the ROLLUP, CUBE, RANK AND DENSE_RANK FUNCTIONS OF ORACLE 8I

3 Answers   IBM, Ness Technologies,

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What is Grain & Granularity in Data Warehouse.

2 Answers   TCS, TVS,

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What is many-to-many dimensional model in datawarehousing ?

0 Answers  

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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?

0 Answers  

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Explain reference cursor?

0 Answers  

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what are the others of "bad files" and "discard files" when using sql*loader?

0 Answers  

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how can one connect two fact tables ? is it possible ? how?

8 Answers   ABC, Oracle, Patni,

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Explain what is cost benefit analysis (cba)?

0 Answers  

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1.WHAT IS DATA MART ?

5 Answers   HCL,

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13 Answers   IBM,

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