进程与事务的查询SQL
1.查看进程
SHOW PROCESSLIST;
2.查看是否锁表
SHOW OPEN TABLES WHERE In_use > 0;
3.查看正在锁的事务
SELECT * FROM INFORMATION_SCHEMA.INNODB_LOCKS;
4.查看等待锁的事务
SELECT * FROM INFORMATION_SCHEMA.INNODB_LOCK_WAITS;
5.查询 正在执行的事务
SELECT * FROM information_schema.INNODB_TRX;