CREATE USER 'jirauser' IDENTIFIED BY 'jirauser';CREATE DATABASE jiradb CHARACTER SET utf8mb4 COLLATE utf8mb4_bin;grant all on jiradb.* to 'jirauser'@’%' identified by 'jirauser';CREATE USER 'confluence' IDENTIFIED BY 'whsir'; create database confluence character set utf8 collate utf8_bi...【阅读全文】
sh-3.2# mysql -u root -psh: mysql: command not found: sh-3.2# cd ~ //进入根目录sh-3.2# pwd/var/rootsh-3.2# ls -a .bash*。//看一看.bash_file文件在不在。不在就建一个。.bash_history.bash_profilesh-3.2# more .bash_profilePATH=$PATH:/usr...【阅读全文】
4、Choose two.Examine these commands that you executed and the results:WHERE USERHOST = 'fwuser@localhost' ; -------------mysql> SELECT RULE FROM INFORMATION_SCHEMA.MYSQL_FIREWALL_WHITELISTmysql> CALL mysql.sp_set_firewall_mode('fwuser@localhost' , 'RESET') ;...【阅读全文】
Examine this statement, which executes successfully:You want to improve the performance of this query:FROM world.cityWhich change enables the query to succeed while accessing fewer rows?B) ALTER TABLE world.city ADD SPATIAL INDEX (Name) ;D) ALTER TABLE world.city ADD FULLTEXT I...【阅读全文】
随着互联网技术的迅猛发展,现在逐步渐入大数据、云计算、虚拟技术和人工智能时代,技术为王的现象越来越明显了。MySQL数据库主从复制的原理是啥?MySQL应该怎么学??1.change master to 时,ip pot user password binlog position写入到master.info进行记录2. start slave 时,从库会启动IO线程和SQL线程3....【阅读全文】
安装后MySQL的error log提示:[Warning] root@localhost is created with an empty password ! Please consider switching off the --initialize-insecure option.# sudo mysql -urootmysql> alter user root@localhost identified with mysql_native_password as '*xxxxx';【阅读全文】