Select the Nth lowest value from a table?

4 Answers  

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There is a big table with "n" of rows and 40 + columns .It doesn't have primary key.How do you select the primary key. In other words how do you get the duplicate records.

2 Answers   Microsoft,

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Q) How to Find Max Date from each Group? (Asked in Infosys (INFI)Interview)

4 Answers   Infosys,

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what is the difference between functional dependecy and multilevel dependency?

0 Answers   Oracle,

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What is COST-based approach to optimization ?

5 Answers  

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What is an Oracle index?

0 Answers  

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What is clusters ?

2 Answers  

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master table and child table performances and comparisons in Oracle ?

0 Answers  

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What do you mean by a database transaction & what all tcl statements are available in oracle?

0 Answers  

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what is the syntax of update command?

3 Answers   Semantic Space,

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how to get count of tables in particular database in Oracle?

3 Answers  

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List out the difference between commit, rollback, and savepoint?

0 Answers  

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