当前位置：网站首页>mysql的充值问题
mysql的充值问题
2022-06-26 18:40:00 【CSDN问答】
mysql中怎么样让上一个添加的数据和现在添加的数据相加。比如：累计充值，上一个数据为100元，现在我再充值100元，现在累计充值应该为200元，怎么样操作勒。
一开始我充值100，显示为100
现在我再充值200，显示为200，并不是300
我应该怎么做？
边栏推荐
- Publish message publishers and subscribe message subscribers of ROS
- Clion compiling catkin_ WS (short for ROS workspace package) loads cmakelists Txt problems
- PC end records 515 ground sweeping robot /scan data
- Xlua get button registration click event of ugui
- Pinda general permission system (day 1~day 2)
- Determine whether a sequence is a stack pop-up sequence
- Convex hull problem
- Do you know how to compare two objects
- Usage and difference between ros:: spinonce() and ros:: spin()
- tag动态规划-刷题预备知识-2. 0-1背包理论基础和二维数组解法模板
猜你喜欢
When does the mobile phone video roll off?
JVM entry Door (1)
SSO微服务工程中用户行为日志的记录
Tag dynamic programming - preliminary knowledge for question brushing -2 0-1 knapsack theory foundation and two-dimensional array solution template
wm_concat()和group_concat()函数
IK word breaker
刷新三观的HP-UX系统中的强指针赋值出core问题
图像二值化处理
Project practice 6: distributed transaction Seata
ISO文件
随机推荐
JSONUtils工具类（基于alibaba fastjson）
Chain game development finished product source code chain game system development details
In and exceptions, count (*) query optimization
物联网协议的王者：MQTT
Which securities company is better for a novice to open a stock trading account? How is it safer to speculate in stocks??
Summary of alter operation in SQL
Idea collection code, quickly open favorites collection window
Feign remote call
JVM入個門（1）
ISO documents
NFTGameFi链游系统开发详解方案丨链游系统开发原理解析
Using recursion to find all gray codes with n bits
To: Apple CEO Cook: great ideas come from constantly rejecting the status quo
Enter n integers and output the number of occurrences greater than or equal to half the length of the array
Jsonutils tool class (based on Alibaba fastjson)
品达通用权限系统(Day 1~Day 2)
微信小程序 uniapp 左滑 删除 带删除icon
Yujun product methodology
Record of user behavior log in SSO microservice Engineering
MySQL download and configuration MySQL remote control