What is a self join? Explain it with an example?

16 Answers   TCS,

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Explain the role of indexing in databases?

0 Answers  

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What are defaults? Is there a column to which a default can't be bound?

2 Answers  

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Define candidate key, alternate key, composite key?

30 Answers   IAS, IBM,

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In which table collections errors are stored.

0 Answers  

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What is bit datatype and what's the information that can be stored inside a bit column?

2 Answers  

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Explain the process of the user request and data generating?

0 Answers  

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Explain about network model?

0 Answers  

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Which data type cannot be used as a parameter in a udf?

0 Answers  

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How to read and create .LDC data files which are used by linguatic dictionary.

0 Answers  

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what is the use of foreginkey

2 Answers  

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You are testing the performance of a query the first time you run the query, the performance is slow. the second time you run the query, the performance is fast. why is this?

0 Answers  

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