Encapsulate DB tables within queries

Base table or view not found: 1146 Table 'odddrupal.system' doesn't exist: SELECT name FROM system WHERE type = 'module' AND name <> 'tadaa' ORDER BY name ASC; Array ( ) in tadaa_module_configuration_form()

This happened for me on a site where the table prefixes has been changed. Of course the table can't be found, since the query that's passed to db_query() hasn't encapsulated the table names.

We need to make sure that every database table is incapsulated within { and }, as they should be, according to Drupal's documentation.