cd C:\mysql-8.0.12-winx64\bin mysqld --initialize-insecure --user=mysql --console mysqld install net start mysql pause echo use mysql;>in.txt echo upd
1.查看端口数 netsh int ipv4 show dynamicportrange tcp 协议 tcp 动态端口范围 启动端口 : 49152 端口数 : 16384 2.设置端口数 netsh int ipv4 set dynamicport tcp start=2000 num=6300
//查看mysql连接进程列表show full processlist;//查看连接数show variables like '%max_connections%';show global status like 'Max_used_connections'; //查看进程休息多少秒后清除连接sh
操作系统:centos7 mysql版本: mysql-8.0.16-el7-x86_64.tar.gz 配置文件: my.cnf Mysql 8.0.5 提示 consider upgrading MySQL client 解决方法 USE mysql; ALTER USER 'root'@'lo
1.查看模式 select @@sql_mode 2.将 ONLY_FULL_GROUP_BY 模式去掉 SET sql_mode=(SELECT REPLACE(@@sql_mode,'ONLY_FULL_GROUP_BY','')); 3.设置全局变量set global sql_mode='S
select replace(replace(val,char(10),''),char(13),'') from tab char(10) : ascii码的 换行符 (换行) char(13) : ascii码的 水平制表符 (换列)
select * from system_organization where id = 1 union all select * from system_organization where id in ( select t3.id from ( select t1.id, if(find_in_
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