Answer Posted / adsd

scalar will returns single value.scalar eg like avg,sum etc
it vl return oly one column as output

What is ole db query?

514

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What are the advantage of ado.net?

512

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Name which operations can you not perform on an ado.net dataset?

477

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What is executequery?

490

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differences between ADO and ADO.NET

562

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What are the connected and disconnected modes in ado.net?

473

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What are two types of transaction supported by ado.net?

524

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What is Dataset Object?

557

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What is the difference between dataset and datatable?

478

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Command objects uses, purposes and their methods.

510

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What is difference between entity framework and ado.net?

472

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What is the default Timeout for SqlCommand.CommandTimeout property?

497

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How to enable and disable connection pooling?

499

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Explain the dataadapter class in ado.net?

653

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Explain the difference in an abstract class and an interface?

494

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