转载源:http://www.jb51.net/article/42613.htm SQL按照日.周.月.季度.年统计数据的方法 方式一: --按日 select sum(consume),day([date]) from consume_record where year([date]) = '2006' group by day([date]) --按周quarter select sum(consume),datename(week,[date]) from consume_record…

# encoding:UTF-8 import xlsxwriter import datetime import pymysql import numpy as np import pandas __author__ = 'sanjing' __data__ = '2019/06/14' averagesql = """ select from_unixtime(clock,'%Y-%m-%d') as time, count(DISTINCT eventid) as id…

--获取英文字符数据 Create function [dbo].[Fun_GetChar] ( ) ) ) AS BEGIN BEGIN ,'') --删掉一个非数字的字符,循环结束,剩余的为数字部分 END ),@No) END --select dbo.F_GetChar('2.5mg')--调用函数=mg --获取数值数据 Create FUNCTION [dbo].[Fun_GetNum] ( @Str NVARCHAR(MAX) ) RETURNS NVARCHAR(MAX) AS…

写sql语句分别按日,星期,月,季度,年统计销售额 --按日 select sum(consume),day([date]) from consume_record where year([date]) = '2006' group by day([date]) --按周quarter select sum(consume),datename(week,[date]) from consume_record where year([date]) = '2006' group by datenam…

写sql语句分别按日,星期,月,季度,年统计销售额 --按日 select sum(consume),day([date]) from consume_record where year([date]) = '2006' group by day([date]) --按周quarter select sum(consume),datename(week,[date]) from consume_record where year([date]) = '2006' group by datenam…

知识关键词:DATE_FORMAT 按天统计: SELECT DATE_FORMAT(create_time,'%Y%m%d') days, COUNT(caseid) count FROM tc_case GROUP BY days; 按周统计: SELECT DATE_FORMAT(start_time,'%Y%u') weeks, COUNT(product_no) count FROM test GROUP BY weeks; 按月统计: SELECT DATE_FORMAT(start…

一.介绍 在开发中,日期的使用绝对是离不了的,跟业务的关联性太强了,例如课程表.有的时候我们不需要课程表,但是需要获取一周7天的日期,这一周内的日期,我觉得有两种理解: 1.获取当天开始的一周日期,当天作为起点往后顺延的一周(红色的为当天),实现方法见如下代码:方式一: 2.获取一周内的日期,当天在这一周内,所在一周的第一天和最后一天, 不是作为起点往后顺延(红色的为当天),实现方法见如下代码:方式二: 二.代码(放在单例工具类HYWeekCalendarUitility实现) 1.工具类声明和…

import java.io.IOException;import java.io.PrintWriter; import javax.servlet.ServletException;import javax.servlet.annotation.WebServlet;import javax.servlet.http.Cookie;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletReques…

package com.wdcloud.monitoring.common; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Calendar; import java.util.Date; import java.util.List; import com.wdcloud.monitoring.Model.WeekInfoModel; public class DateUtils {…

转自:http://blog.itpub.net/14766526/viewspace-1156100/ select GETDATE() as '当前日期',DateName(year,GetDate()) as '年',DateName(month,GetDate()) as '月',DateName(day,GetDate()) as '日',DateName(dw,GetDate()) as '星期',DateName(week,GetDate()) as '周数',DateName(h…