Explain the different row versions available in table?
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Does ado.net use odbc?
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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()
once data is fetched into dataset connection gets closed. but in datareader connection is always maintained...then why datareader is fast and mainly recommended ?
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Define connection string?
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Explain different methods and Properties of DataReader which you have used in your project?
If a table contains 20000 records. In a page at each time 100 records to be displayed.
Explain ODP.net
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