diff --git a/sql/historization.sql b/sql/historization.sql
index bf62ed22..6f50f428 100644
--- a/sql/historization.sql
+++ b/sql/historization.sql
@@ -6,25 +6,34 @@
 rollback;
 begin transaction;
 call defineContext('historization testing', null, 'superuser-alex@hostsharing.net',
-                   'hs_booking_project#D-1000000-hshdefaultproject:ADMIN'); -- prod+test
+--                    'hs_booking_project#D-1000000-hshdefaultproject:ADMIN'); -- prod+test
+                   'hs_booking_project#D-1000313-D-1000313defaultproject:ADMIN'); -- prod+test
 --                    'hs_booking_project#D-1000300-mihdefaultproject:ADMIN'); -- prod
 --                    'hs_booking_project#D-1000300-mimdefaultproject:ADMIN'); -- test
 -- update hs_hosting_asset set caption='lug00 b' where identifier = 'lug00' and type = 'MANAGED_WEBSPACE'; -- prod
-update hs_hosting_asset set caption='hsh00 C ' || now()::text where identifier = 'hsh00' and type = 'MANAGED_WEBSPACE'; -- test
-update hs_hosting_asset set caption='hsh00 D ' || now()::text where identifier = 'hsh00' and type = 'MANAGED_WEBSPACE'; -- test
+-- update hs_hosting_asset set caption='hsh00 A ' || now()::text where identifier = 'hsh00' and type = 'MANAGED_WEBSPACE'; -- test
+-- update hs_hosting_asset set caption='hsh00 B ' || now()::text where identifier = 'hsh00' and type = 'MANAGED_WEBSPACE'; -- test
+
+-- insert into hs_hosting_asset
+--     (uuid, bookingitemuuid, type, parentassetuuid, assignedtoassetuuid, identifier, caption, config, alarmcontactuuid)
+--     values
+--     (uuid_generate_v4(), null, 'EMAIL_ADDRESS', 'bbda5895-0569-4e20-bb4c-34f3a38f3f63'::uuid, null,
+--         'new@thi.example.org', 'some new E-Mail-Address', '{}'::jsonb, null);
+
+delete from hs_hosting_asset where uuid='5aea68d2-3b55-464f-8362-b05c76c5a681'::uuid;
 commit;
 
 -- single version at point in time
 -- set hsadminng.tx_history_txid to (select max(txid) from tx_context where txtimestamp<='2024-08-27 12:13:13.450821');
-set hsadminng.tx_history_txid to '2604';
-set hsadminng.tx_history_timestamp to '';
+set hsadminng.tx_history_txid to '';
+set hsadminng.tx_history_timestamp to '2024-08-29 12:42';
 -- all versions
 select tx_history_txid(), txc.txtimestamp, txc.currentUser, txc.currentTask, haex.*
     from hs_hosting_asset_ex haex
              join tx_context txc on haex.txid=txc.txid
-    where haex.identifier in ('hsh00', 'mim00');
+    where haex.identifier = 'test@thi.example.org';
 
-select uuid, version, type, identifier, caption from hs_hosting_asset_hv p where identifier in ('hsh00', 'mim00');
+select uuid, version, type, identifier, caption from hs_hosting_asset_hv p where identifier = 'test@thi.example.org';
 
 select pg_current_xact_id();