The Web-based, data-centric applications require multiple users to access data
simultaneously. This increases the demand on data to be accessed, making scalability
one of the most critical features. Applications that use resources, such as database
connections and database locks, cannot support more users to access data
simultaneously, because eventually the user demand for the limited resources will
exceed their supply. Because ADO.NET uses disconnected data access, applications do
not retain database locks or active database connections for long durations. Hence,
ADO.NET accommodates scalability by encouraging programmers to conserve limited
resources, and allows more users to access data simultaneously.
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