diff --git a/html/admin/sql/patch/upgrade12.sql b/html/admin/sql/patch/upgrade12.sql
new file mode 100644
index 000000000..baae8c61c
--- /dev/null
+++ b/html/admin/sql/patch/upgrade12.sql
@@ -0,0 +1,11 @@
+begin;
+
+ALTER TABLE quant_sold  ADD CONSTRAINT qs_id_pk PRIMARY KEY(qs_id);
+COMMENT ON TABLE quant_sold IS 'Contains about invoice for customer';
+drop table user_pref;
+-- trim the space
+update parm_code set p_code=trim(p_code);
+
+upgrade version set val=13;
+
+commit;