MySQL数据库窗口函数应用  

Application of MySQL Database Window Functions

作　　者：黄明辉[1] Huang Ming-hui(College of Electronic Information,Hubei Three Gorges Polytechnic,Yichang 443000,Hubei Province,China)

机构地区：[1]湖北三峡职业技术学院电子信息学院,湖北宜昌443000

出　　处：《科学与信息化》2023年第20期74-76,共3页Technology and Information

摘　　要：本文主要介绍MySQL窗口函数的用法,从具体解决一个问题用窗口函数RANK()与常规查询语句对比讲解入手,阐述窗口函数的特点。最后用实用案例,进行窗口函数的简单应用,进一步展示窗口函数所具备的分组和排序功能,并对窗口函数进行总结。This paper mainly introduces the application of MySQL window functions,explains the characteristics of window functions based on the specific solution of a problem by comparing window function RANK()and conventional query statements.Finally,a practical case is used to carry out the simple application of window functions,further demonstrate the grouping and sorting functions of window functions,and summarize window functions.

关 键 词：MYSQL 数据库 窗口函数 

分 类 号：TP3[自动化与计算机技术—计算机科学与技术]