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Differences between úDataSetĚ and úDataReaderĚ.


DataSet object can contain multiple rowsets from the same data source as well as from the relationships between them

Dataset is a disconnected architecture

Dataset can persist data.

A DataSet is well suited for data that needs to be retrieved from multiple tables.

Due to overhead DatsSet is slower than DataReader.


DataReader provides forward-only and read-only access to   data.

Datareader is connected architecture. It has live connection while reading data

Datareader can not persist data.

Speed performance is better in DataReader.