diff --git a/sql/dataBoom.sql b/sql/dataBoom.sql
new file mode 100644
index 0000000000000000000000000000000000000000..871fc223d001cf339c66af7320fbebdda9547871
--- /dev/null
+++ b/sql/dataBoom.sql
@@ -0,0 +1 @@
+select * from a left join b on 1=1 and b.id = a.borrow_id