Diffrence between Data Reader, Dataset and Data Adapter

Difference  Angle	Data Reader	Dataset	Data Adapter
Disconnected mode	Connected mode	Disconnected mode	Disconnected mode
Forward Only	Yes	No	No
Read/Write	Read Only	Read/Write	Read/Write
Handling	Database Table	Can handle text file, XML file and Database table	Can handle text file, XML file and Database table
Storage Capacity	No storage	Temporary Storage Capacity	Temporary Storage Capacity
Accessibility	Can access one table at a time	Multiple table at a time	Multiple table at a time
Faster	Much faster than dataset	Less faster than data reader	Less faster than data reader