diff --git a/macros/compare_table_hashes.sql b/macros/compare_table_hashes.sql
new file mode 100644
index 0000000..8e19bf6
--- /dev/null
+++ b/macros/compare_table_hashes.sql
@@ -0,0 +1,50 @@
+/* 
+Query all columns in two models, reduce the table to a content hash and compare
+the hashes across both.
+
+You must pass a col name that exists in both models to sort them in order to 
+make serialization stable. It is recommended to pass the PK.
+*/
+{% macro compare_table_hashes(model_1, model_2, order_by_col) %}
+
+    {% set table_1 = ref(model_1) %}
+    {% set table_2 = ref(model_2) %}
+
+    {# Build query 1 #}
+    {% set query_1 %}
+    SELECT md5(array_agg(md5((t1.*)::varchar))::varchar) AS hash_val
+    FROM (
+      SELECT *
+      FROM {{ table_1 }}
+      ORDER BY {{ order_by_col }}
+    ) AS t1
+    {% endset %}
+
+    {# Build query 2 #}
+    {% set query_2 %}
+    SELECT md5(array_agg(md5((t1.*)::varchar))::varchar) AS hash_val
+    FROM (
+      SELECT *
+      FROM {{ table_2 }}
+      ORDER BY {{ order_by_col }}
+    ) AS t1
+    {% endset %}
+
+    {# Execute queries #}
+    {% set result_1 = run_query(query_1) %}
+    {% set result_2 = run_query(query_2) %}
+
+    {% if result_1 and result_2 %}
+        {% set hash_1 = result_1.columns[0].values()[0] %}
+        {% set hash_2 = result_2.columns[0].values()[0] %}
+
+        {{ log("Hash for " ~ model_1 ~ ": " ~ hash_1, info=True) }}
+        {{ log("Hash for " ~ model_2 ~ ": " ~ hash_2, info=True) }}
+
+        {% if hash_1 == hash_2 %} {{ log("✅ Table hashes match!", info=True) }}
+        {% else %} {{ log("❌ Table hashes do NOT match!", info=True) }}
+        {% endif %}
+    {% else %}
+        {{ log("❗ Could not retrieve hashes for one or both models.", info=True) }}
+    {% endif %}
+{% endmacro %}