select f_month, f_quarter, f_qty, max(f_qty) over(partition by 1 order by f_month) as f_max, min(f_qty) over(partition by 1 order by f_month) as f_min from t_sale; > select f_month, f_quarter, f_qty, max(f_qty) over(partition by 1 order by f_month) as f_max, m...
百度试题 题目 按各科成绩进行排序,并显示排名,Score 重复时保留名次空缺SELECT *, RANK() OVER(PARTITION BY sc.cid ORDER BY sc.score DESC)排名FROM sc; A.正确B.错误 相关知识点: 试题来源: 解析 A 反馈 收藏
> SELECT *,rank() OVER(PARTITION BY i ORDER BY i desc, j desc) AS r FROM t1; i | j | r +---+---+---+ 2 | 1 | 4 2 | 3 | 2 2 | 3 | 2 2 | 5 | 1 3 | 2 | 3 3 | 2 | 3 3 | 2 | 3 3 | 4 | 2 3 | 1 | 6 3 | 5 | 1 6 | 3 | 1 7 | 2...
select * from (select rank() over(partition by barcode order by sheetdate) num, * from ScanRecord where scanMode=0 and workStageName='QC')t where num=1
select rank() over (partition by deptno order by sal desc) rank, e.* from emp e ) where rank rank 函数的作用是产生排名,与普通函数不同,高亮部分都是函数语法部分,其中over 是 关键字,总体意思是指按部门编号分组(partition by deptno),按工资降序(order by sal desc) 排名。 思路3: 步骤1:按照...
select shop_no from (select *, rank() over(partition by shop_no order by order_date) as `date_rank` from orders where order_num gt; 100) t gr_牛客网_牛客在手,offer不愁
select rank() over(partition by deptno order by sal), emp.* from emp; select rank() over(order by deptno), emp.* from emp; select rank() over(order by sal), emp.* from emp; --dense_rank排序给出相同序号,不空留序号 select rank() over(order by sal), emp.* from emp; ...
-- 必须用DENSE_RANK() SELECT uid, exam1 AS exam_complete_cnt FROM ( SELECT uid, COUNT(exam_id) AS exam1, COUNT(score) AS exam2 FROM ( SELECT *, DENSE_RANK() OVER(PARTITION BY uid ORDER BY DATE_FORMAT(start_time, '%Y%m') DESC) AS month_rank FROM exam_record ) tab WHERE mont...
按各科成绩进行排序,并显示排名,Score 重复时保留名次空缺SELECT *, RANK() OVER(PARTITION BY sc.cid ORDER BY sc.score DESC)排名FROM sc;A.正确B.错误的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将
selectrank()over(partitionbydeptnoorderbysal), emp.*fromemp; selectrank()over(orderbydeptno), emp.*fromemp; selectrank()over(orderbysal), emp.*fromemp; --dense_rank排序给出相同序号,不空留序号 selectrank()over(orderbysal), emp.*fromemp; ...