1
Q
Data Adapters
A
Retrieves data from a data source and populates tables in the DataSet. It also resolves changes mode to the DataSet and sends it back to the data source.
2
Q
DataReader
A
Retrieves read-only, forward-only stream of data from a database. Results are returned as the query executes and are stored in the network buffer on the client until you request them using the Read method of the DataReader.
3
Q
How does the DataReader increase application performance?
A
DataReader retrieves data as soon as it is available and stores only one row at a time in memory.
