dt << Reorder By Name;           // alphanumeric order

dt << Reverse Order;             // reverse current order

dt << Reorder By Data Type;      // row state, character, and then numeric

dt << Reorder By Modeling Type;  // continuous, ordinal, nominal

dt << Original Order;            // saved order

dt << Move Selected Columns( To First );

dt << Move Selected Columns( To Last );

dt << Move Selected Columns( After( "name" ) );

dt << Move Selected Columns( {"name"}, To First );

dt << Move Selected Columns( {"name"}, To Last );

dt << Move Selected Columns( {"name"}, After( "name" ) );