List the 4 common ado.net namespaces?

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What is ole db query?

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I loaded the dataset with a table of 10 records. One of the records is deleted from the backend, how do you check whether all the 10 records were present while updating the data(which event and steps) and throw the exception 28 can datareader hold data from multiple tables?

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How do you merge 2 datasets into the third dataset in a simple manner?

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What happens when we issue Dataset.ReadXml command?

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What is the DataTableCollection?

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What are the pre-requisites for connection pooling?

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What is executequery?

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Why DataReader is Forward Only?

16 Answers   IBM, NIIT,

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Is datareader faster than datatable?

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What is execute scalar in ado.net?

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What are the data access namespaces in .NET?

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