diff --git a/django/db/backends/dummy/base.py b/django/db/backends/dummy/base.py
index 6a190cf59c..f47cbdf3d4 100644
--- a/django/db/backends/dummy/base.py
+++ b/django/db/backends/dummy/base.py
@@ -41,11 +41,16 @@ dictfetchall = complain
 get_last_insert_id = complain
 get_date_extract_sql = complain
 get_date_trunc_sql = complain
+get_datetime_cast_sql = complain
 get_limit_offset_sql = complain
 get_random_function_sql = complain
 get_deferrable_sql = complain
 get_fulltext_search_sql = complain
 get_drop_foreignkey_sql = complain
+get_pk_default_value = complain
+get_max_name_length = ignore
+get_start_transaction_sql = complain
+get_autoinc_sql = complain
 get_sql_flush = complain
 get_sql_sequence_reset = complain