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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | oracle分页查询(查询第六到第十条数据),分步解析 1, select * from emp; 2, select a1.*,rownum rn from (( select * from emp) a1); 3, select a1.*,rownum rn from (( select * from emp) a1) where rownum<=10; 4, select * from ( select a1.*,rownum rn from (( select * from emp) a1) where rownum<=10) where rn>=6; SQL> select * from ( select a1.*,rownum rn from (( select * from emp) a1) where rownum<=10) where rn>=6; EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO RN ----- ---------- --------- ----- ----------- --------- --------- ------ ---------- 7698 BLAKE MANAGER 7839 1981-5-1 2850.00 30 6 7782 CLARK MANAGER 7839 1981-6-9 2450.00 10 7 7788 SCOTT ANALYST 7566 1987-4-19 3000.00 20 8 7839 KING PRESIDENT 1981-11-17 5000.00 10 9 7844 TURNER SALESMAN 7698 1981-9-8 1500.00 0.00 30 10 |