Не могу найти никаких проблем:
INSERT ALL
INTO DEPT_PART PARTITION(part1) (EMPNO, ENAME, SAL, DEPTNO)
SELECT EMPNO,ENAME,SAL,DEPTNO FROM emp WHERE DEPTNO=10
INTO DEPT_PART PARTITION(part2) (EMPNO, ENAME, SAL, DEPTNO)
SELECT EMPNO,ENAME,SAL,DEPTNO FROM emp WHERE DEPTNO=20
INTO DEPT_PART PARTITION(part3) (EMPNO, ENAME, SAL, DEPTNO)
SELECT EMPNO,ENAME,SAL,DEPTNO FROM emp WHERE DEPTNO=30
SELECT * FROM DUAL;