Call start transaction; not really started after the transaction

 

 

A window	B window
SELECT * FROM information_schema.INNODB_TRX; Empty set (0.00 sec)
	start transaction; (begin;)
SELECT * FROM information_schema.INNODB_TRX; Empty set (0.00 sec)
	select * from tpa;
SELECT * FROM information_schema.INNODB_TRX \G (Data !!)
	rollback; (commit;)
SELECT * FROM information_schema.INNODB_TRX; Empty set (0.00 sec)