--- /dev/null
+-- @tag: transaction_description_not_null
+-- @description: Das Feld "transaction_description" sollte nicht NULL-Werte enthalten.
+-- @depends: transaction_description
+UPDATE ap SET transaction_description = '' WHERE transaction_description IS NULL;
+UPDATE ar SET transaction_description = '' WHERE transaction_description IS NULL;
+UPDATE oe SET transaction_description = '' WHERE transaction_description IS NULL;