select tbexamineegrade.*,
row_number() over(partition by userid,TpID order by exscore desc) lev
--------------------------------------------------
:查询员工的工资,按部门排序
select ename,sal,row_number() over (partition by deptno order by sal desc) as sal_order from scott.emp;
执行结果:
ENAME SAL SAL_ORDER
-------------------- ---------- ----------
KING 5000 1
CLARK 2450 2
MILLER 1300 3
SCOTT 3000 1
FORD 3000 2
JONES 2975 3
ADAMS 1100 4
SMITH 800 5
BLAKE 2850 1
ALLEN 1600 2
TURNER 1500 3
WARD 1250 4
MARTIN 1250 5
JAMES 950 6
----------------------------------------------------------
按部门进行分组 然后再每组内部进行排序 就是对整个结果集而言的
函数row_number() over(partition by~~order by ~~ desc)的用法
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转载自1055592535.iteye.com/blog/1673872
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