If your new to building you right click on the ground and a pie menu will come up, from this menu you click on create and the build menu will pop up, next you'll need to choose your prim which will be a tube , the section option in the bottom row, once that is selected you point the wand at the ground and it will rez the tube you need. Next go into objects tab and in hole size Y is .5 and this will close the hole of the tube, then in the option profile cut x is 0.240 and y is 0.875 then you want to max hollow which is 94.0 or just 94, and your table will then be made and you'll have to texture it any way you want.