diff --git a/stix2/datastore/relational_db/demo.py b/stix2/datastore/relational_db/demo.py
index dec59dfb..303b50e1 100644
--- a/stix2/datastore/relational_db/demo.py
+++ b/stix2/datastore/relational_db/demo.py
@@ -1,6 +1,7 @@
 import datetime as dt
 
 from database_backends.postgres_backend import PostgresBackend
+from database_backends.sqlite_backend import SQLiteBackend
 import sys
 import json
 
@@ -19,6 +20,7 @@ def main():
         bundle = stix2.parse(json.load(f), allow_custom=True)
     store = RelationalDBStore(
         PostgresBackend("postgresql://localhost/stix-data-sink", force_recreate=True),
+        # SQLiteBackend("sqlite:///stix-data-sink.db", force_recreate=True),
         True,
         None,
         True,
diff --git a/stix2/datastore/relational_db/input_creation.py b/stix2/datastore/relational_db/input_creation.py
index 57ace0ff..dbc2c83b 100644
--- a/stix2/datastore/relational_db/input_creation.py
+++ b/stix2/datastore/relational_db/input_creation.py
@@ -310,7 +310,7 @@ def generate_insert_information(   # noqa: F811
             ]
             for elem in stix_object[name]:
                 bindings = {
-                    "id": stix_object["id"],
+                    "id": foreign_key_value,
                     name: db_backend.process_value_for_insert(self.contained, elem),
                 }
                 insert_statements.append(insert(table).values(bindings))
diff --git a/stix2/datastore/relational_db/relational_db_testing.py b/stix2/datastore/relational_db/relational_db_testing.py
index d4fdded7..2a1353b4 100644
--- a/stix2/datastore/relational_db/relational_db_testing.py
+++ b/stix2/datastore/relational_db/relational_db_testing.py
@@ -290,9 +290,9 @@ def test_dictionary():
 
 def main():
     store = RelationalDBStore(
-        # MariaDBBackend(f"mariadb+pymysql://admin:admin@127.0.0.1:3306/rdb", force_recreate=True),
+        MariaDBBackend(f"mariadb+pymysql://admin:admin@127.0.0.1:3306/rdb", force_recreate=True),
         # PostgresBackend("postgresql://localhost/stix-data-sink", force_recreate=True),
-        SQLiteBackend("sqlite:///stix-data-sink.db", force_recreate=True),
+        # SQLiteBackend("sqlite:///stix-data-sink.db", force_recreate=True),
 
         True,
         None,
diff --git a/stix2/datastore/relational_db/table_creation.py b/stix2/datastore/relational_db/table_creation.py
index e80043e4..dc486fad 100644
--- a/stix2/datastore/relational_db/table_creation.py
+++ b/stix2/datastore/relational_db/table_creation.py
@@ -5,9 +5,8 @@
 
 from stix2.datastore.relational_db.add_method import add_method
 from stix2.datastore.relational_db.utils import (
-    SCO_COMMON_PROPERTIES, SDO_COMMON_PROPERTIES, canonicalize_table_name,
-    determine_column_name, determine_sql_type_from_stix, flat_classes,
-    get_stix_object_classes, shorten_extension_definition_id
+    canonicalize_table_name, determine_column_name, determine_core_properties, determine_sql_type_from_stix,
+    flat_classes, get_stix_object_classes, shorten_extension_definition_id
 )
 from stix2.properties import (
     BinaryProperty, BooleanProperty, DictionaryProperty,
@@ -16,7 +15,8 @@
     ObjectReferenceProperty, Property, ReferenceProperty, StringProperty,
     TimestampProperty, TypeProperty,
 )
-from stix2.v21.base import _Extension, _Observable
+
+from stix2.v21.base import (_Extension, _Observable)
 from stix2.v21.common import KillChainPhase
 
 
@@ -809,14 +809,7 @@ def generate_object_table(
         table_name = shorten_extension_definition_id(table_name)
     if parent_table_name:
         table_name = parent_table_name + "_" + table_name
-    if is_embedded_object:
-        core_properties = list()
-    elif schema_name in ["sdo", "sro", "common"]:
-        core_properties = SDO_COMMON_PROPERTIES
-    elif schema_name == "sco":
-        core_properties = SCO_COMMON_PROPERTIES
-    else:
-        core_properties = list()
+    core_properties = determine_core_properties(stix_object_class, is_embedded_object)
     columns = list()
     tables = list()
     if issubclass(stix_object_class, _Observable):
diff --git a/stix2/datastore/relational_db/utils.py b/stix2/datastore/relational_db/utils.py
index e49d88dd..e782f5a9 100644
--- a/stix2/datastore/relational_db/utils.py
+++ b/stix2/datastore/relational_db/utils.py
@@ -41,6 +41,16 @@
 }
 
 
+def determine_core_properties(stix_object_class, is_embedded_object):
+    if is_embedded_object or issubclass(stix_object_class, (_MetaObject, _Extension)):
+        return list()
+    elif issubclass(stix_object_class, (_RelationshipObject, _DomainObject)):
+        return SDO_COMMON_PROPERTIES
+    elif issubclass(stix_object_class, _Observable):
+        return SCO_COMMON_PROPERTIES
+    else:
+        raise ValueError(f"{stix_object_class} not a STIX object")
+
 def canonicalize_table_name(table_name, schema_name=None):
     if schema_name:
         full_name = schema_name + "." + table_name
@@ -103,7 +113,6 @@ def get_stix_object_classes():
     )
 
 def schema_for(stix_class):
-
     if issubclass(stix_class, _DomainObject):
         schema_name = "sdo"
     elif issubclass(stix_class, _RelationshipObject):
@@ -116,7 +125,6 @@ def schema_for(stix_class):
         schema_name = getattr(stix_class, "_applies_to", "sco")
     else:
         schema_name = None
-
     return schema_name