1.通过show variables语句的like可以匹配多个值或者某个值 mysql>show variableslike'max_connections';#这里默认的就是对Variable_name进行匹配,这里是准确匹配.+---+---+|Variable_name|Value|+---+---+|max_connections|151|+---+---+1rowinset(0.01sec) mysql>show variableslike'socket';+---+---...
Connections,试图连接到(不管是否成功)MySQL服务器的连接数。 Max_used_connections,服务器启动后已经同时使用的连接的最大数量。 Threads_connected,当前的连接数。2、mysql> show variables like '%connect%';max_connections,最大连接数。3、修改max_connections在...
show variables like’max_connections’;查看mysql最大连接数。A.正确B.错误的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库手机刷题,以提高学习效率,是学习的生产力工具
A.Show variables like ‘%max_connections%’;B.Show variables like ‘%sum_connections%’;C.Show variables like ‘%least_connections%’;D.Show variables like ‘%start_connections%’;相关知识点: 试题来源: 解析 B.Show variables like ‘%sum_connections%’;;C.Show variables like ‘%least_connecti...
2) 方法2 进入mysql server在mysql 命令行中运行set global max_allowed_packet = 2*1024*1024*10然后关闭掉这此mysql server链接,再进入。show VARIABLES like '%max_allowed_packet%';查看下max_allowed_packet是否编辑成功 4)max_binlog_cache_size ...
2) 方法2 进入mysql server在mysql 命令行中运行set global max_allowed_packet = 2*1024*1024*10然后关闭掉这此mysql server链接,再进入。show VARIABLES like '%max_allowed_packet%';查看下max_allowed_packet是否编辑成功 4)max_binlog_cache_size ...
# 显示触发器信息(需要先创建触发器) SHOW TRIGGERS [FROM db_name] [like_or_where] # 显示MySQL变量信息 SHOW [GLOBAL | SESSION] VARIABLES [like_or_where] # 显示最后一个执行语句所产生的警告信息 SHOW WARNINGS [LIMIT [offset,] row_count] ...
SHOW [GLOBAL | SESSION] VARIABLES [LIKE 'pattern' | WHERE expr] SHOW VARIABLES shows the values of MySQL system variables (see Section 7.1.8, “Server System Variables”). This statement does not require any privilege. It requires only the ability to connect to the server. ...
show variables; show [full] processlist; show table status [from db_name]; show grants for user; 1. 2. 3. 4. 5. 6. 7. 8. 9. 除了status,processlist和grants外,其它的都可以带有like wild选项,它可以使用SQL的'%'和'_'字符; show databases like '%t'; ...
Description: Now inc_host_errors() increase error count for max_connect_errors. But there is no methond to check current count. Please add feature for checking current error count for max_connect_errors. I supposed that it should be implemented as 'SHOW GLOBAL VARIABLES;'. How to repeat:...