Most settings can be changed at runtime withSET GLOBAL. It is very handy and it allows you to quickly revert the change if it creates any problem. But in the end, you want the setting to be adjusted permanently in the configuration file. 用set global 确实能让一些参数马上生效,但是到最后,...
mysql3307 (pid:10265) is running(0:PING_OK), master:192.124.64.212$mysql -h192.124.64.214-P3307-e"set global relay_log_purge=0"$mysql -h192.124.64.214-P3307-e"show global variables like '%relay_log_purge%'"+---+---+ | Variable_name | Value | +---+---+ | relay_log_purge |...
mysql> set global validate_password_length=1; 设置之后就是我上面查出来的那几个值了,此时密码就可以设置的很简单,例如1234之类的。到此数据库的密码设置就完成了。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 1 mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY '123456'; 2 ERROR 1819 (HY0...
复制 [root@mysql-master yum.repos.d]# cat /etc/yum.conf [main] cachedir=/var/cache/yum/$basearch/$releasever keepcache=1 debuglevel=2 logfile=/var/log/yum.log exactarch=1 obsoletes=1 gpgcheck=1 plugins=1 installonly_limit=5 bugtracker_url=http://bugs.centos.org/set_project.php?proj...
mysql> set global validate_password_policy=0; mysql> set global validate_password_length=1; 1. 2. 设置之后就是我上面查出来的那几个值了,此时密码就可以设置的很简单,例如1234之类的。到此数据库的密码设置就完成了。 1 mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY '123456'; ...
3 rows in set (0.00 sec) 开启慢查询日志 mysql> SET GLOBAL slow_query_log=ON; Query OK, 0 rows affected (0.00 sec) mysql> SHOW VARIABLES like "long%"; +---+---+ | Variable_name | Value | +---+---+ | long_query_time
Environment variable User defined \option option_name - print the current value of the option. \option [--persist] option_name value or name=value - set the value of the option and if --persist is specified save it to the configuration file. \option --unset [--persist] - reset...
Environment variable User defined \option option_name - print the current value of the option. \option [--persist] option_name value or name=value - set the value of the option and if --persist is specified save it to the configuration file. \option --unset [--persist] - reset...
SET GLOBAL interactive_timeout = 60; 1. This command sets the query timeout to 60 seconds for the current session only. If you want to set it permanently for all sessions, you can use: SET GLOBAL interactive_timeout = 60; 1.
On the other hand, in the case of a global server variable, there is only one possible target. For example, there can only be one instance of delay_key_write because this variable is global and applies to the server as a whole. In this case specify local in the INSTANCE text box. ...