wp_rg_form_view

「wp_rg_form_view」 refers to the form view database table used by Gravity Forms. The table is named using your site』s database prefix (「wp」 is the default) plus 「rg_form_view」.
Note: Once Gravity Forms version 2.3 is released, the table will have the new name 「wp_gf_form_view」.
Further details for this table can be found viewing the Database Storage Structure Reference document for Gravity Forms version 2.3.