diff --git a/db/update21.2.sql b/db/update21.2.sql
new file mode 100644
index 0000000000..4215f8afca
--- /dev/null
+++ b/db/update21.2.sql
@@ -0,0 +1,4 @@
+ALTER TABLE zt_dataview MODIFY `fields` text NULL;
+ALTER TABLE zt_dataview MODIFY `objects` text NULL;
+ALTER TABLE zt_dataview MODIFY `mode` varchar(50) NOT NULL DEFAULT 'builder';
+ALTER TABLE zt_dataview ADD `driver` enum('mysql','duckdb') NOT NULL DEFAULT 'mysql' AFTER `code`;