Gets the common language runtime stream value equivalent of the underlying value.
Assembly: System.Data.OracleClient (in System.Data.OracleClient.dll)
For Blob data types, returns the entire underlying data as a contiguous array of type Byte. For Clob and NClob data types, returns all the data as a String data type. For null data, returns DBNull. By comparing the returned values, you can distinguish among empty data, null data, and data.
A benefit of using LOB data types is the capability to retrieve large amounts of data in chunks at the client. However, when you use , you obtain all the data for the LOB column as one contiguous chunk, which can significantly increase application overhead.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2