function convert_to_utf8($tables) {
  foreach($tables as $list) {
  update_convert_table_utf8($list);
  }
}

convert_to_utf8(array(
  'access', 'accesslog', 'aggregator_category',
  'aggregator_category_feed', 'aggregator_category_item',
  'aggregator_feed', 'aggregator_item', 'authmap', 'blocks',
  'book', 'boxes', 'cache', 'comments', 'contact',
  'node_comment_statistics', 'client', 'client_system', 'files',
  'filter_formats', 'filters', 'flood', 'forum', 'history',
  'locales_meta', 'locales_source', 'locales_target', 'menu',
  'node', 'node_access', 'node_revisions', 'profile_fields',
  'profile_values', 'url_alias', 'permission', 'poll', 'poll_votes',
  'poll_choices', 'role', 'search_dataset', 'search_index',
  'search_total', 'sessions', 'sequences', 'node_counter',
  'system', 'term_data', 'term_hierarchy', 'term_node',
  'term_relation', 'term_synonym', 'users', 'users_roles', 'variable',
  'vocabulary', 'vocabulary_node_types', 'watchdog'
));