14.5.5.8 operator -
This static operator subtracts one OracleIntervalDS structure from another. 
                  
Declaration
// C# public static OracleIntervalDS operator - (OracleIntervalDS val1, OracleIntervalDS val2);
Parameters
- 
                        val1The first OracleIntervalDS.
- 
                        val2The second OracleIntervalDS.
Return Value
An OracleIntervalDS structure.
                  
Remarks
If either argument has a null value, the returned OracleIntervalDS structure has a null value.