The table class can be the target of the delete command.
delete v : Delete an object.
delete specifier : The object(s) to delete.
The good use of the delete command is in conjunction with a whose clause to locate tables by examining the value of their properties, such as name.
|Delete Old Tables|
|01||tell application "Numbers"|
|03||if not (exists document 1) then error number -128|
|05||tell the front document|
|06||delete (every table of every sheet whose name ends with "2012")|