Everything is a table. There is no object model provided to manipulate columns directly. When a table row or table cell is inserted via the table object model, it will initially be empty. Here is a listing of the relevant table object model methods and properties. No return value.
Index indicates the rowIndex of the row to delete.
Returns the rowIndex of the row. Useful for inserting and deleting rows. No return value. Index indicates the position in the collection of the cell to delete. By now, this is probably something you are sick of reading about.