ly, each column will represent a different kind of data, and can be of a different length. When you define a <CODE>
Table</CODE>
 object, you specify how many columns the table will have; this number is fixed for the table, and cannot be changed later. (It is possible to have your Table switch the column definitions that they use, although it will take a fair amount of work on your part; that is discussed in<A HREF="JTable_f.htm#91726"> Changing Column Definitions</A>
.) You can find out how many columns a 