Answer Posted / anitha

Dataset is cache of records retrieve from data source.
Datareader is used to retrieve data from datasource.

1.Using Datareader we can read the data readnly,forwordonly
basis.
2.Only one record in a memmory at a tme
3.Faster
4.Doesnot hold any data
5.Data can not be transfer to datasource
Wher as in Dataset
1. we can read and write and allow us to navigate through
the records forword and backwords.
2.Pulls the records from the datasource and saves in IIS
memmory.
3.Slower
4.Holds datatables and has the information about
relationship between those tbes.
5.Data can be transfer to datasource

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