Using system temporary table space
Use this box to specify the name of the default table space that will be used to temporarily store the table while it is being reorganized. This box initially contains <none>, specifying that the temporary copy should be stored in the table space where the table currently resides.
To specify a different table space, use one of the following methods:
The reorganization process uses a temporary copy of the table to do the reorganization.
The following guidelines can assist you in determining whether to specify a system temporary table space:
Using index
Use this box to specify the name of the default index that will be used to physically reorder the rows in the table. This box initially contains <none>, specifying that the table rows are reorganized without regard to order.
To specify a different index name, use one of the following methods:
Reorganize Now
Click on this push button to begin the reorganization process now.