These features are not currently not available.

Reason:
$tbpref is set to a fixed value in connect.inc.php.
Please remove the definition
$tbpref = '';
in connect.inc.php to make these features available.
Then try again.

 
Select

Table Set:

 
Create

New Table Set:

 
Delete

Table Set:
(You cannot delete the Default Table Set.)

 
YOU MAY LOSE DATA - BE CAREFUL: