mysql會話變量與全局變量

show session variables;查看會話變量

show session variables like "%log";模糊查詢

set autocommit ='off';（同等 set @@session.autocommit ='off'; ）更改autocommit爲off 

select @@session.autocommit 查看指定變量(autocommit)

show global variables;查看全局變量

set global  autocommit ='off';同等 set @@global.autocommit ='off'; ）更改autocommit爲off 

select @@global.autocommit 查看指定變量(autocommit)