What is the hierarchy of data in databases?
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Describe the command object and its method.
If we want to connect to many databases in dataaccess layer such as MSAccess,Sql server,oracle means not to a particular database depends on condition we have to connect to appropriate database in this scenario if we without changing code Ho wdo you handle this situation?
What is ado oledb and odbc?
Call a stored procedure from ado.net and pass parameter to it ?
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What is the use of sqldatareader class?
Which object is used to add relationship between two Datatables?
Give few examples of datareader that is used in different dataproviders.
What is sqldatareader in ado.net?
What is difference between ado.net and asp net?
How many major types of connection objects in ADO.NET?
differences between ADO and ADO.NET
Explain why edit is not possible in repeater?
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