Pine Trestle Tables can be a stunning show piece to any dining room. If made from very old pine floorboards, and the stretcher an ends also made from very old rustic boards, and waxed nicely, these can look beautiful. Be careful when having such a table made for you, because if not made from old pine it can look wrong.
Pine turned leg tables tend to be used more as kitchen tables. If your pine table is newly made, even if the tops have been made from old pine floorboards (to give an authentic antique look) the legs can be made from new pine. These can then be distressed, treated with an ageing solution (caustic) and then wax finished. The eye is usually drawn more to the table top rather than the base so, as long as the tone and colour is similar this is usually fine. See images here of all types of turned leg tables
Pine Refectory tables tend to have straight - square or turned legs, and one stretcher between the legs at the ends, and another joining in the centre of the first stretcher, and running along the length of the table. You can find some beautiful pine tables for sale in Oxfordshire here. The first image on the right is of an old pine refectory table with square legs. The second is a refectory table with turned legs.