Fixed a number of bug reports related to table/db names not being escaped or prefixed correctly.
diff --git a/system/language/english/db_lang.php b/system/language/english/db_lang.php
index 697eb78..2f7ccb5 100644
--- a/system/language/english/db_lang.php
+++ b/system/language/english/db_lang.php
@@ -6,6 +6,7 @@
 $lang['db_unable_to_create'] = 'Unable to create the specified database: %s';

 $lang['db_invalid_query'] = 'The query you submitted is not valid.';

 $lang['db_must_set_table'] = 'You must set the database table to be used with your query.';

+$lang['db_must_set_database'] = 'You must set the database name in your database config file.';

 $lang['db_must_use_set'] = 'You must use the "set" method to update an entry.';

 $lang['db_must_use_where'] = 'Updates are not allowed unless they contain a "where" clause.';

 $lang['db_del_must_use_where'] = 'Deletes are not allowed unless they contain a "where" or "like" clause.';