How to add an aggregate column?
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What is the difference between Datareader and Dataset?
How to check if a datareader is closed or opened?
Does ado.net use odbc?
Difference between function and trigger?
Explain different methods and Properties of DataReader which you have used in your project?
What is a database provider?
What is an orm, and why would you use one instead of plain old ado.net?
Can you edit data in the Repeater control?
What is ole data type?
Which object of ado contains datarow datacolumn collection?
Explain About ado.net components/objects. Usage of data adapters and tell the steps to retrieve data.
How will you differentiate between ADO (ActiveX Data Object) and RDO (Remote Data Objects)?