SQL> SQL> SQL> CREATE TABLE myTable 2 (id NUMBER PRIMARY KEY 3 ,doc XMLType NOT NULL) 4 XMLTYPE doc STORE AS CLOB 5 / Table created. SQL> SQL> SQL> update myTable 2 set doc = updateXml(doc, 'message/greeting/text()', 'test') 3 where id = 1; 0 rows updated. SQL> SQL> SQL> drop table myTable; Table dropped.