$schema['cache_page']['description']='Cache table used to store compressed pages for anonymous users, if page caching is enabled.';
$schema['cache_menu']=$schema['cache'];
$schema['cache_menu']['description']='Cache table for the menu system to store router information as well as generated link trees for various menu/page/user combinations.';
$schema['cache_path']=$schema['cache'];
$schema['cache_path']['description']='Cache table for path alias lookup.';
$schema['cache_registry']=$schema['cache'];
$schema['cache_registry']['description']='Cache table for the code registry system to remember what code files need to be loaded on any given page.';
...
...
@@ -3495,6 +3497,17 @@ function system_update_7023() {