docs: remove line break

Author: kenjis

user_guide_src/source/database/queries/011.php

@@ -1,5 +1,4 @@
 <?php
 
 $search = '20% raise';
-$sql    = "SELECT id FROM table WHERE column LIKE '%" .
-$db->escapeLikeString($search) . "%' ESCAPE '!'";
+$sql    = "SELECT id FROM table WHERE column LIKE '%" . $db->escapeLikeString($search) . "%' ESCAPE '!'";