原创MySQL常用脚本整理

Posted 2020-11-20 数据库技术

#1、查看表容量空间

SELECT TABLE_SCHEMA,TABLE_NAME,TABLE_ROWS,ROUND(DATA_LENGTH/1024/1024/1024) AS \'data_size(G)\',ROUND(INDEX_LENGTH/1024/1024/1024) AS \'index_size(G)\',ROUND(DATA_FREE/1024/1024/1024) AS \'free_size(G)\'  FROM information_schema.tables WHERE TABLE_SCHEMA=\'test\' AND TABLE_NAME IN (\'sbtest1\'); 

#2、查看用户连接

select user,count(1) as num from information_schema.processlist group by user;

 #3、批量kill用户连接

select concat(\'kill \',id,\';\') from information_schema.processlist where user like \'%user%\' into outfile \'/tmp/killpid.sql\';
source /tmp/killpid.sql