diff --git a/tacker/db/migration/alembic_migrations/versions/b07673bb8654_set_status_type_tenant_id_length.py b/tacker/db/migration/alembic_migrations/versions/b07673bb8654_set_status_type_tenant_id_length.py
index e60808bb9..dfd112bc6 100644
--- a/tacker/db/migration/alembic_migrations/versions/b07673bb8654_set_status_type_tenant_id_length.py
+++ b/tacker/db/migration/alembic_migrations/versions/b07673bb8654_set_status_type_tenant_id_length.py
@@ -33,22 +33,22 @@ def upgrade(active_plugins=None, options=None):
     for table in ['devices', 'devicetemplates', 'vims', 'servicetypes']:
         op.alter_column(table,
                         'tenant_id',
-                        type_=sa.String(64))
+                        type_=sa.String(64), nullable=False)
     op.alter_column('vims',
                     'type',
                     type_=sa.String(64))
     op.alter_column('devices',
                     'instance_id',
-                    type_=sa.String(64))
+                    type_=sa.String(64), nullable=True)
     op.alter_column('devices',
                     'status',
                     type_=sa.String(64))
     op.alter_column('proxymgmtports',
                     'device_id',
-                    type_=sa.String(64))
+                    type_=sa.String(64), nullable=False)
     op.alter_column('proxyserviceports',
                     'service_instance_id',
-                    type_=sa.String(64))
+                    type_=sa.String(64), nullable=False)
     op.alter_column('servicetypes',
                     'service_type',
                     type_=sa.String(64))
diff --git a/tacker/db/migration/alembic_migrations/versions/f958f58e5daa_uuid_consistency.py b/tacker/db/migration/alembic_migrations/versions/f958f58e5daa_uuid_consistency.py
index 6b7dcaf74..f6674ea64 100644
--- a/tacker/db/migration/alembic_migrations/versions/f958f58e5daa_uuid_consistency.py
+++ b/tacker/db/migration/alembic_migrations/versions/f958f58e5daa_uuid_consistency.py
@@ -43,20 +43,24 @@ def upgrade(active_plugins=None, options=None):
                   'devicetemplateattributes')
     for table in pk_id_tables:
         with migration.modify_foreign_keys_constraint(FK_MAP.get(table, [])):
-                op.alter_column(table, 'id', type_=types.Uuid)
+                op.alter_column(table, 'id', type_=types.Uuid,
+                nullable=False)
 
     fk_template_id_tables = ('devices', 'servicetypes',
                              'devicetemplateattributes')
     for table in fk_template_id_tables:
         with migration.modify_foreign_keys_constraint(fk_template_id_tables):
-            op.alter_column(table, 'template_id', type_=types.Uuid)
+            op.alter_column(table, 'template_id', type_=types.Uuid,
+                            nullable=False)
 
     fk_vim_id_tables = ('devices', 'vimauths')
     for table in fk_vim_id_tables:
         with migration.modify_foreign_keys_constraint(fk_vim_id_tables):
-            op.alter_column(table, 'vim_id', type_=types.Uuid)
+            op.alter_column(table, 'vim_id', type_=types.Uuid,
+                            nullable=False)
 
     fk_device_id_tables = ('deviceattributes', 'proxymgmtports')
     for table in fk_device_id_tables:
         with migration.modify_foreign_keys_constraint(fk_device_id_tables):
-            op.alter_column(table, 'device_id', type_=types.Uuid)
+            op.alter_column(table, 'device_id', type_=types.Uuid,
+                            nullable=False)