# OSGeo::FDO::Commands::Feature::IDataReader Interface Reference
[OSGeo::FDO::Commands::Feature]

Inheritance diagram for OSGeo::FDO::Commands::Feature::IDataReader:

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## Detailed Description

The IDataReader interface provides a forward-only, read-only iterator for reading relational table data. A reference to an IDataReader is returned from the ISQLCommands ExecuteReader method. The initial position of the IDataReader interface is prior to the first item. Thus, you must call ReadNext to begin accessing any data.

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