auth: Add hint on how to find generic records

diff --git a/docs/settings.rst b/docs/settings.rst
index 9060dfe4d770fd47a32984988c376b6546b4c2c8..9f58f4b43817fda85a7a68a1d1b17683930e6d6b 100644 (file)
--- a/docs/settings.rst
+++ b/docs/settings.rst
@@ -1783,6 +1783,10 @@ Disable after record contents have been upgraded.
 
 This option is supported by the bind and Generic SQL backends. 
 
+.. note::
+  When using a generic SQL backend, records with an unknown record type (see :doc:`../appendices/types`) can be identified with the following SQL-Query:
+  SELECT * from records where type like 'TYPE%';
+
 .. _setting-version-string:
 
 ``version-string``