drop table topics; drop sequence topics_seq; drop table topic_sources; drop table reference_types; drop sequence reference_types_seq; drop table reference_codes; drop table products; drop sequence products_seq; drop table tariffs; drop table product_tariffs; drop table suburbs; drop table streets; drop sequence streets_seq; drop table users; drop sequence users_seq; drop table articles; drop sequence articles_seq; drop table readings; drop sequence readings_seq; drop table groups; drop sequence groups_seq; drop table memberships; drop table membership_statuses; drop sequence membership_statuses_seq; drop table departments; drop table employees; drop sequence employees_seq; drop table comments; drop sequence comments_seq; drop table hacks; drop sequence hacks_seq; drop table restaurants; drop table restaurants_suburbs; drop table dorms; drop sequence dorms_seq; drop table rooms; drop table room_attributes; drop sequence room_attributes_seq; drop table room_attribute_assignments; drop table room_assignments; drop table students; drop sequence students_seq; drop table seats; drop table capitols; drop table products_restaurants; drop table employees_groups; drop table pk_called_ids; drop sequence pk_called_ids_seq; drop table cpk_with_default_values; drop sequence cpk_with_default_values_seq;