select * from oc_appconfig where configkey='enabled' and configvalue='yes';
+------------------------+-----------+-------------+
| appid                  | configkey | configvalue |
+------------------------+-----------+-------------+
| activity               | enabled   | yes         |
| admin_dependencies_chk | enabled   | yes         |
| bookmarks              | enabled   | yes         |
| calendar               | enabled   | yes         |
| contacts               | enabled   | yes         |
| documents              | enabled   | yes         |
| files                  | enabled   | yes         |
| files_pdfviewer        | enabled   | yes         |
| files_sharing          | enabled   | yes         |
| files_texteditor       | enabled   | yes         |
| files_trashbin         | enabled   | yes         |
| files_versions         | enabled   | yes         |
| files_videoviewer      | enabled   | yes         |
| firstrunwizard         | enabled   | yes         |
| gallery                | enabled   | yes         |
| search_lucene          | enabled   | yes         |
| user_ldap              | enabled   | yes         |
+------------------------+-----------+-------------+