oracle 分页: 关键字ROWNUM SELECT EMPNO, ENAME, JOB, MGR, HIREDATE, SAL, COMM, DEPTNO FROM ( SELECT A.*, ROWNUM RN FROM (SELECT EMPNO, ENAME, JOB, MGR, TO_CHAR(HIREDATE,'yyyy-MM-dd') HIREDATE, SAL, COMM, DEPTNO FROM EMP ORDER BY EMPNO) A WHERE ROWNUM <= <…