//将当前行某列的值与前面所有行的此列值相加,即累计求和: //方法一: with t as( select 1 val from dual union all select 3 from dual union all select 5 from dual union all select 7 from dual union all select 9 from dual) select val, sum(val) ov
为GridView添加序号列,且支持分页连续累计显示,废话不多说,直接上代码: <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="WebApplication1.WebForm1" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 T
需求: 有如下访客访问次数统计表 t_access_times 访客 月份 访问次数 A 2015-01 5 A 2015-01 15 B 2015-01 5 A 2015-01 8 B 2015-01 25 A 2015-01 5 A 2015-02 4 A 2015-02 6 B 2015-02 10 B 2015-02 5 …… …… …… 需要输出报表:t_access_times_accumulate 访客 月份 月访问总计 累计访问总计 A 2015-01 33 33 A 2015-
某系统反馈慢SQL影响生产,查看SLOW LOG发现下面慢SQL: SELECT COUNT(DISTINCT m.batch_no) FROM ob_relation r INNER JOIN ob_batch_d d ON r.sub_order_no = d.outbound_no INNER JOIN ob_batch_m m ON d.batch_no = m.batch_no WHERE r.production_mode =1 AND r.yn=0 AND r.outbound_n