What is the difference between primary key, foreign key and candidate key?

0 Answers   Ernst Young,

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What is the role of tester in discovery(in Checklist)?

0 Answers  

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What are the validations performed on the source data? If there are junk data available in the source data, how to eliminate it?

0 Answers   BDI Systems, Google,

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Why do we need distributed database?

0 Answers  

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Explain phantom deadlock?

0 Answers  

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Can we have a function Overloading with same number of arguments but with different return types of function

8 Answers   CybAge, Wipro,

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What is the Lock Based Protocol used for?

0 Answers   Hexaware,

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What is sqlcode -923 ?

1 Answers  

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What is difference between data and database?

0 Answers  

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can any one tell me how i can start database testing mean what should be initial point and how i can write a query for listing page of any item thanks in advance

0 Answers  

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what are different types of datasets? what are different characteristics or properties of those datasets? what are the advantages and disadvantages of each dataset on each other?

1 Answers   OVGU,

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Explain database partitioning.

0 Answers  

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