USE: 
Modify this query to reflect the actual database table prefix configured into your copy of PhpGedView.  The default is "pgv_".
You can determine this value by inspecting the contents of the config.php file within the server directory where PhpGedView is installed.  
Look for the value $TBLPREFIX, which should be near line 44.

Copy this query into any SQL program to completely erase all Research Assistant Data. All data will be lost and this process cannot be un-done.

QUERY:

drop table pgv_tasks, pgv_individualsuggestedresearch, pgv_individualtask, pgv_comments, pgv_suggestedresearch, pgv_tasksource, pgv_folders;