MySQL5.7版本
查看死锁:
select * from information_schema.innodb_locks;
查看锁等待:
select * from information_schema.innodb_lock_waits;
MySQL8.0版本
查看死锁:
select * from performance_schema.data_locks;
查看死锁等待时间:
select * from performance_schema.data_lock_waits;
查看是否自动提交
select @@autocommit;
值为1则开启自动提交,值为0则关闭自动提交