Define data adapter?

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What is ole in excel?

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What is the difference between ado.net and oledb?

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Which control of the BindingNavigator returns the current position within the data source?

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What is sqldatareader?

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How can we serialize the dataset object?

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what is sql Injection?

4 Answers   Microsoft,

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What are the drawbacks of using ado.net?

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Explain the difference in record set and dataset?

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If i am expecting a single result from sqlserverdatabase then what command should i follow ?sqlcommand.executereader (commandbehaviour.singleresult)or sqlcommand.executescalar()

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What is concurrency? How will you avoid concurrency when dealing with dataset? (One user deleted one row after that another user through his dataset was trying to update same row. What will happen? How will you avoid the problem?)

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What is the provider being used to access oracle database?

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