文章目录 nvidia drivers下载删除原有nvidia驱动安装nvidia驱动如果报错Unable to find the kernel source tree for the currently runningbuilding kernel modules解决方法 报错成功安装!!! nvidia drivers下载
https://www.nvidia.cn/geforce/drivers/#:~:textNVIDIA%20GeF…
1.联合索引
测试SQL语句如下:表test中共有4个字段(id, a, b, c),id为主键
drop table test;#建表
create table test(id bigint primary key auto_increment,a int,b int,c int
)#表中插入数据
insert into test(a, b, c) values(1,2,3),(2,3,4),(4,5,…