diff --git a/tools/python/jwutils/db/schema/utils.py b/tools/python/jwutils/db/schema/utils.py
new file mode 100644
index 0000000..65b3e89
--- /dev/null
+++ b/tools/python/jwutils/db/schema/utils.py
@@ -0,0 +1,12 @@
+# -*- coding: utf-8 -*-
+
+from .Schema import Schema
+
+from jwutils.log import *
+
+def check_schema(schema: Schema): # export
+    slog(NOTICE, f'There are {len(schema)} tables in the database')
+    for cfk in schema.foreign_key_constraints:
+        for fk in cfk:
+            if fk.child_column.data_type != fk.parent_column.data_type:
+                raise Exception(f'Type mismatch in foreign key {fk}: {fk.child_column.data_type} != {fk.parent_column.data_type}')