DROP TABLE ACL; DROP TABLE ATTACHMENTS; DROP TABLE CACHEDGROUPMEMBERS; DROP TABLE CUSTOMFIELDS; DROP TABLE CUSTOMFIELDVALUES; DROP TABLE GROUPMEMBERS; DROP TABLE GROUPS; DROP TABLE LINKS; DROP TABLE PRINCIPALS; DROP TABLE QUEUES; DROP TABLE SCRIPACTIONS; DROP TABLE SCRIPCONDITIONS; DROP TABLE SCRIPS; DROP TABLE SESSIONS; DROP TABLE TEMPLATES; DROP TABLE TICKETCUSTOMFIELDVALUES; DROP TABLE TICKETS; DROP TABLE TRANSACTIONS; DROP TABLE USERS;