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ADO.NET Interview Questions
Questions Answers Views Company eMail

Features and disadvantages of dataset?

CarrizalSoft Technologies, Infosys, Microsoft, Sampath Software,

2 13723

What is the provider and namespaces being used to access oracle database?

Microsoft,

4 4563

What is ODP.NET?

Microsoft,

2 9601

Difference between datareader and dataset?

Microsoft, Noel Infotech, Satyam, Value Labs,

26 53224

What are the steps in connecting to database?

IBM, Microsoft,

3 8641

what is sql Injection?

Microsoft,

4 6967

Differnce between Stored procedure and user defined functions?

Microsoft, Symphony,

17 18760

Differnces between oracle 9i and sql server?

College School Exams Tests, Microsoft,

2 7906

what is clustered index?why is it created?

Microsoft, Wipro,

4 9666

what is trigger?

Microsoft, Precept Technology,

8 10108

can we execute trigger normally at the desired time?

Microsoft,

3 6202

What provider ADO.net use by default?

Accenture, TCS,

10 18084

What is @@rowcount and with small code snippet explain the usage?

BirlaSoft,

4 12174

If a table contains 20000 records . In a page at each time 100 records to be displayed. What are the steps u will take to improve performance? will you use dataset or datareader?

7 8555

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?

Honeywell,

4 6923


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Un-Answered Questions { ADO.NET }

How to creating a SqlCommand Object?

185


What is execute scalar in ado.net?

109


How to bind the controls(best practice) comboboxes to the data in the dataset?

148


What is the difference in an abstract class and an interface?

136


What is difference between ado.net and asp net?

108






How do you update a dataset in ado.net and how do you update database through dataset?

143


What are typed and untyped dataset?

150


What is fill method in ado.net?

115


What is ado object model?

108


describe the dataset object in ado.net.

133


What is the difference between OLEDB Provider and SqlClient?

152


What are the disadvantages of using datalist?

121


What is the difference between the clone() and copy() methods of the dataset class?

157


What is dataset object? Explain the various objects in dataset.

149


What are the objects of ado.net?

137