diff --git a/.tmp_dagster_home_e8m4zq2a/history/runs.db b/.tmp_dagster_home_e8m4zq2a/history/runs.db
index ece1e0f..d2e6041 100644
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diff --git a/.tmp_dagster_home_e8m4zq2a/history/runs/442543c7-de52-4f6f-8d70-03436a4fa5c6.db b/.tmp_dagster_home_e8m4zq2a/history/runs/442543c7-de52-4f6f-8d70-03436a4fa5c6.db
new file mode 100644
index 0000000..cab4ce7
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diff --git a/.tmp_dagster_home_e8m4zq2a/history/runs/index.db b/.tmp_dagster_home_e8m4zq2a/history/runs/index.db
index 81beba1..9e4af74 100644
Binary files a/.tmp_dagster_home_e8m4zq2a/history/runs/index.db and b/.tmp_dagster_home_e8m4zq2a/history/runs/index.db differ
diff --git a/.tmp_dagster_home_e8m4zq2a/storage/442543c7-de52-4f6f-8d70-03436a4fa5c6/compute_logs/knnclhpc.complete b/.tmp_dagster_home_e8m4zq2a/storage/442543c7-de52-4f6f-8d70-03436a4fa5c6/compute_logs/knnclhpc.complete
new file mode 100644
index 0000000..e69de29
diff --git a/.tmp_dagster_home_e8m4zq2a/storage/442543c7-de52-4f6f-8d70-03436a4fa5c6/compute_logs/knnclhpc.err b/.tmp_dagster_home_e8m4zq2a/storage/442543c7-de52-4f6f-8d70-03436a4fa5c6/compute_logs/knnclhpc.err
new file mode 100644
index 0000000..df5b543
--- /dev/null
+++ b/.tmp_dagster_home_e8m4zq2a/storage/442543c7-de52-4f6f-8d70-03436a4fa5c6/compute_logs/knnclhpc.err
@@ -0,0 +1,5 @@
+2026-07-23 07:53:47 +0100 - dagster - DEBUG - __ASSET_JOB - 442543c7-de52-4f6f-8d70-03436a4fa5c6 - 130644 - LOGS_CAPTURED - Capturing logs for process (pid: 130644).
+2026-07-23 07:53:47 +0100 - dagster - DEBUG - __ASSET_JOB - 442543c7-de52-4f6f-8d70-03436a4fa5c6 - 130644 - orders_aggregation_orders_aggregation_check - STEP_START - Started execution of step "orders_aggregation_orders_aggregation_check".
+2026-07-23 07:53:47 +0100 - dagster - DEBUG - __ASSET_JOB - 442543c7-de52-4f6f-8d70-03436a4fa5c6 - 130644 - orders_aggregation_orders_aggregation_check - STEP_OUTPUT - Yielded output "result" of type "Any". (Type check passed).
+2026-07-23 07:53:47 +0100 - dagster - DEBUG - __ASSET_JOB - 442543c7-de52-4f6f-8d70-03436a4fa5c6 - 130644 - orders_aggregation_orders_aggregation_check - ASSET_CHECK_EVALUATION - Asset check 'orders_aggregation_check' on 'orders_aggregation' passed.
+2026-07-23 07:53:47 +0100 - dagster - DEBUG - __ASSET_JOB - 442543c7-de52-4f6f-8d70-03436a4fa5c6 - 130644 - orders_aggregation_orders_aggregation_check - STEP_SUCCESS - Finished execution of step "orders_aggregation_orders_aggregation_check" in 34ms.
diff --git a/.tmp_dagster_home_e8m4zq2a/storage/442543c7-de52-4f6f-8d70-03436a4fa5c6/compute_logs/knnclhpc.out b/.tmp_dagster_home_e8m4zq2a/storage/442543c7-de52-4f6f-8d70-03436a4fa5c6/compute_logs/knnclhpc.out
new file mode 100644
index 0000000..e69de29
diff --git a/src/dagster_intro/defs/assets.py b/src/dagster_intro/defs/assets.py
index b1bd73f..806172e 100644
--- a/src/dagster_intro/defs/assets.py
+++ b/src/dagster_intro/defs/assets.py
@@ -76,3 +76,19 @@ def orders_aggregation(duckdb: DuckDBResource):
             );
             """
         )
+
+
+@dg.asset_check(asset="orders_aggregation")
+def orders_aggregation_check(duckdb: DuckDBResource) -> dg.AssetCheckResult:
+    table_name = "orders_aggregation"
+    with duckdb.get_connection() as conn:
+        row_count = conn.execute(f"select count(*) from {table_name}").fetchone()[0]
+
+    if row_count == 0:
+        return dg.AssetCheckResult(
+            passed=False, metadata={"message": "Order aggregation check failed"}
+        )
+
+    return dg.AssetCheckResult(
+        passed=True, metadata={"message": "Order aggregation check passed"}
+    )