CREATE TABLE dept(deptno NUMBER(2),dname VARCNAR2(14),1oc VARCNAR2 (13));ROLLBACK;DESCRIBE DEPTWhat is true about the set?
The DESCRIBE DEPT statement displays the structure of the DEPT table
The ROLLBACK statement frees the storage space occupies by the DEPT table
The DESCRIBE DEPT statement returns an error ORA-04043: object DEPT does not exist
The DESCRIBE DEPT statement displays the structure of the DEPT table only if there is a COMMIT statement introduced before the ROLLBACK statement.