AnyDataset can connect to multiple data sources, from relational databases to semi-structured data such as XML and JSON. The big advantage is you can use a standard interface to navigate the data by using an Iterator. All AnyDataset objects understand the IteratorInterface.

Object	Data Source	Read	Write	Reference
DbDriverInterface	Relational DB	yes	yes	Connecting to a relational Databases
AnyDataSet	Anydataset	yes	yes
ArrayDataSet	Array	yes	no
TextFileDataSet	Delimited CSV / RegEx from file, http or ftp	yes	no
FixedTextFileDataSet	Fixed layout from file, http or ftp	yes	no
XmlDataSet	Xml	yes	no
JSONDataSet	Json	yes	no
SparQLDataSet	SparQl Repositories	yes	no
SocketDataset	Text(Deprecated)	yes	no
NoSqlDocumentInterface	NoSql Document Based	yes	yes	Connecting to MongoDB
KeyValueInterface	NoSql Key/Value Based	yes	yes