What is the hierarchy of data in databases?
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what is execute scalar?
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What is the full form of ado.net?
Explain the difference between data reader and data set?
What is the significance of CommandBehavior.CloseConnection ?
Define connection string?
What are the steps you will take to improve performance? Will you use dataset or datareader?
What are the core objects of ADO.NET?
How xml files and be read and write using dataset ?
How does ado.net work?
Does executenonquery return a value?
once data is fetched into dataset connection gets closed. but in datareader connection is always maintained...then why datareader is fast and mainly recommended ?
Why DataReader is Forward Only?
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