text: SET foreign_key_checks = 0;
  -- SYS 2.0 tables
  DROP TABLE IF EXISTS address;
  DROP TABLE IF EXISTS acl_entry;
  DROP TABLE IF EXISTS acl_object_identity;
  DROP TABLE IF EXISTS acl_class;
  DROP TABLE IF EXISTS acl_sid;
  DROP TABLE IF EXISTS answer;
  DROP TABLE IF EXISTS contact;
  DROP TABLE IF EXISTS tag;
  DROP TABLE IF EXISTS collection_story;
  DROP TABLE IF EXISTS collectionPreferredMedia;
  DROP TABLE IF EXISTS collectionInvitation;
  DROP TABLE IF EXISTS rating;
  DROP TABLE IF EXISTS documentContributor;
  DROP TABLE IF EXISTS questionOptions;
  DROP TABLE IF EXISTS apiUsageLimit;
  DROP TABLE IF EXISTS apiTier;
  DROP TABLE IF EXISTS favorite;
  DROP TABLE IF EXISTS story_entity;
  DROP TABLE IF EXISTS story;
  DROP TABLE IF EXISTS question;
  DROP TABLE IF EXISTS documentText;
  DROP TABLE IF EXISTS complaint;
  DROP TABLE IF EXISTS contentL10n;
  DROP TABLE IF EXISTS userEmail;
  DROP TABLE IF EXISTS document_entities;
  DROP TABLE IF EXISTS entitlement;
  DROP TABLE IF EXISTS operation;
  DROP TABLE IF EXISTS formElement;
  DROP TABLE IF EXISTS collection;
  DROP TABLE IF EXISTS questionnaire;
  DROP TABLE IF EXISTS organization;
  DROP TABLE IF EXISTS answerSet;
  DROP TABLE IF EXISTS user;
  DROP TABLE IF EXISTS person;
  DROP TABLE IF EXISTS entity;
  DROP TABLE IF EXISTS document;
  DROP TABLE IF EXISTS systemEntity;
  DROP TABLE IF EXISTS activity;
  DROP TABLE IF EXISTS questionL10n;
  DROP TABLE IF EXISTS questionOptionsL10n;
  DROP TABLE IF EXISTS version;
  
  -- SYS 1.0; not usually present, but convenient to drop when necessary
  DROP TABLE IF EXISTS addresses;
  DROP TABLE IF EXISTS asset_attachments;
  DROP TABLE IF EXISTS assets;
  DROP TABLE IF EXISTS campaign_topics;
  DROP TABLE IF EXISTS campaigns;
  DROP TABLE IF EXISTS corporate_bodies;
  DROP TABLE IF EXISTS counties;
  DROP TABLE IF EXISTS expressions;
  DROP TABLE IF EXISTS emails;
  DROP TABLE IF EXISTS email_preferences;
  DROP TABLE IF EXISTS matching_operators;
  DROP TABLE IF EXISTS operands;
  DROP TABLE IF EXISTS ors;
  DROP TABLE IF EXISTS people;
  DROP TABLE IF EXISTS phones;
  DROP TABLE IF EXISTS policies;
  DROP TABLE IF EXISTS policy_types;
  DROP TABLE IF EXISTS schema_migrations;
  DROP TABLE IF EXISTS searches;
  DROP TABLE IF EXISTS sessions;
  DROP TABLE IF EXISTS sorting_orders;
  DROP TABLE IF EXISTS states;
  DROP TABLE IF EXISTS stories;
  DROP TABLE IF EXISTS story_ask_topics;
  DROP TABLE IF EXISTS story_asks;
  DROP TABLE IF EXISTS story_communications;
  DROP TABLE IF EXISTS story_field_options;
  DROP TABLE IF EXISTS story_field_types;
  DROP TABLE IF EXISTS story_field_values;
  DROP TABLE IF EXISTS story_fields;
  DROP TABLE IF EXISTS story_notes;
  DROP TABLE IF EXISTS story_versions;
  DROP TABLE IF EXISTS survey_policies;
  DROP TABLE IF EXISTS survey_providers;
  DROP TABLE IF EXISTS surveys;
  DROP TABLE IF EXISTS topics;
  DROP TABLE IF EXISTS users;
  
  SET foreign_key_checks = 1;
  