docs: add info about altering alias command not supporting change of credential type

Author: evelinadanielsson

modules/ROOT/pages/database-administration/aliases/manage-aliases-standard-databases.adoc

@@ -593,7 +593,7 @@ SHOW ALIAS `remote-northwind-2021` FOR DATABASE YIELD name, properties
 
 You can alter both local and remote database aliases using the `ALTER ALIAS` command.
 For all aliases, the command allows you to change the target database and properties of the database alias.
-For remote aliases, the command also allows you to change the URL, user credentials, default language, or driver settings of the database alias.
+For remote aliases, the command also allows you to change the URL, stored native credentials, default language, or driver settings of the database alias.
 The required privileges are described in the xref:authentication-authorization/dbms-administration.adoc#access-control-dbms-administration-alias-management[The DBMS ALIAS MANAGEMENT privileges].
 Only the clauses used will be altered.
 
@@ -645,9 +645,9 @@ ALTER ALIAS `remote-northwind`
 SET DATABASE TARGET `northwind-graph-2020` AT "neo4j+s://other-location:7687"
 ----
 
-=== Alter a remote database alias credentials and driver settings
+=== Alter a remote database alias stored native credentials and driver settings
 
-You can change the user credentials and driver settings of a remote database alias using the `USER`, `PASSWORD`, and `DRIVER` subclauses of the `SET DATABASE` clause of the `ALTER ALIAS` command.
+You can change the stored native credentials and driver settings of a remote database alias using the `USER`, `PASSWORD`, and `DRIVER` subclauses of the `SET DATABASE` clause of the `ALTER ALIAS` command.
 For example:
 
 .Query
@@ -669,6 +669,17 @@ All driver settings are replaced by the new ones.
 In this case, by not repeating the driver setting `connection_pool_max_size`, the value will be deleted and fall back to the default value.
 ====
 
+[role=label--new-2025.10]
+=== Alter a remote database alias credential type
+
+Changing the type of credentials used by a remote database alias, `STORED NATIVE CREDENTIALS` or `OIDC CREDENTIAL FORWARDING`, by using the `ALTER ALIAS` command is currently not supported.
+To change the type of credentials, the remote database alias needs to be dropped and replaced with a new one.
+
+[IMPORTANT]
+====
+Any associated privileges, driver settings and other properties will be lost when dropping the alias and need to be respecified for the new one. See xref:authentication-authorization/database-administration.adoc[Database privileges] on how to manage access to the remote database alias and other privileges.
+====
+
 === Remove all custom driver settings from a remote database alias
 
 You can remove all custom driver settings from a remote database alias by setting the `DRIVER` clause to an empty map `{}`.