MySql.Data use the ? to locate parameters in sql.

Namespace:  NHibernate.Driver
Assembly:  NHibernate (in NHibernate.dll)

Syntax

Visual Basic (Declaration)
Public Overrides ReadOnly Property NamedPrefix As String
C#
public override string NamedPrefix { get; }
Visual C++
public:
virtual property String^ NamedPrefix {
	String^ get () override;
}
JavaScript
function get_namedPrefix();

Field Value

? is used to locate parameters in sql.

See Also