目录
excel基础操作:
excel函数:智警杯赛前学习1.2--excel统计函数_lulu001128的博客-CSDN博客知识点https://blog.csdn.net/lulu001128/article/details/130936259?spm=1001.2014.3001.5501
excel报表实战:
excel数据透视及绘图:
SQL简单查询
进入数据库
支持中文字符
创建数据库
创建数据表
SQL复杂查询
SQL多表查询
excel基础操作:
智警杯赛前学习1.1---excel基本操作_lulu001128的博客-CSDN博客知识点https://blog.csdn.net/lulu001128/article/details/130934089?spm=1001.2014.3001.5502
excel函数:
智警杯赛前学习1.2--excel统计函数_lulu001128的博客-CSDN博客知识点https://blog.csdn.net/lulu001128/article/details/130936259?spm=1001.2014.3001.5501
excel报表实战:
智警杯赛前学习1.3——excel报表开发_lulu001128的博客-CSDN博客知识点https://blog.csdn.net/lulu001128/article/details/130954974?spm=1001.2014.3001.5502
excel数据透视及绘图:
智警杯1.4---excel可视化_lulu001128的博客-CSDN博客知识点https://blog.csdn.net/lulu001128/article/details/130955860?spm=1001.2014.3001.5501
SQL简单查询
进入数据库
mysql -uroot -p123456
支持中文字符
Set character_set_database='utf8';
Set character_set_server='utf8';
创建数据库
create database demo;
use demo;
创建数据表
create table score(
id int primary key,
class int,
name varchar(255),
chinese double,
math double,
english double
);
智警杯赛前学习2.2--SQL简单查询_lulu001128的博客-CSDN博客知识点https://blog.csdn.net/lulu001128/article/details/130992587?csdn_share_tail=%7B%22type%22%3A%22blog%22%2C%22rType%22%3A%22article%22%2C%22rId%22%3A%22130992587%22%2C%22source%22%3A%22lulu001128%22%7D
SQL复杂查询
智警杯赛前学习2.3 -- SQL复杂查询_lulu001128的博客-CSDN博客知识点https://blog.csdn.net/lulu001128/article/details/131053947?spm=1001.2014.3001.5501
SQL多表查询
智警杯赛前准备2.4--SQL多表查询_lulu001128的博客-CSDN博客知识点https://blog.csdn.net/lulu001128/article/details/131054807?csdn_share_tail=%7B%22type%22%3A%22blog%22%2C%22rType%22%3A%22article%22%2C%22rId%22%3A%22131054807%22%2C%22source%22%3A%22lulu001128%22%7D