Distinguish among a datareader class and a dataset class, Database Management System

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Question

(a) Concurrent access to data from a database is a normal part of application program usage. Describe three approaches to concurrency control

(b) Distinguish among a DataReader class and a DataSet class

(c) Write an ASP.NET program that retrieves a count of the records in the tblVideo database table and displays the result in a Label control as follows

There are x records in tblVideo database tabl

where x is the number of records

Filename for the local database: VideoClub.mdf

Note: Programmatic codes required here


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