SQL> CREATE TABLE MyTable ( 2 id INTEGER PRIMARY KEY, 3 clob_column CLOB NOT NULL 4 ); Table created. SQL> SQL> SQL> INSERT INTO myTable(id, clob_column) VALUES (1, EMPTY_CLOB()); 1 row created. SQL> SQL> select * from mytable; ID CLOB_COLUMN ---------- ----------- 1 SQL> SQL> drop table myTable; Table dropped. SQL>