reset master;
show master status;
File	Position	Binlog_do_db	Binlog_ignore_db
master-bin.001	79		
reset slave;
show slave status;
Master_Host	Master_User	Master_Port	Connect_retry	Log_File	Pos	Slave_Running	Replicate_do_db	Replicate_ignore_db	Last_errno	Last_error	Skip_counter	Last_log_seq
		0	0		0	No			0		0	0
change master to master_host='127.0.0.1';
show slave status;
Master_Host	Master_User	Master_Port	Connect_retry	Log_File	Pos	Slave_Running	Replicate_do_db	Replicate_ignore_db	Last_errno	Last_error	Skip_counter	Last_log_seq
127.0.0.1	test	9998	60		4	No			0		0	0
 change master to master_host='127.0.0.1',master_user='root',
master_password='',master_port=9306;
show slave status;
Master_Host	Master_User	Master_Port	Connect_retry	Log_File	Pos	Slave_Running	Replicate_do_db	Replicate_ignore_db	Last_errno	Last_error	Skip_counter	Last_log_seq
127.0.0.1	root	9999	60		4	No			0		0	0
slave start;
show slave status;
Master_Host	Master_User	Master_Port	Connect_retry	Log_File	Pos	Slave_Running	Replicate_do_db	Replicate_ignore_db	Last_errno	Last_error	Skip_counter	Last_log_seq
127.0.0.1	root	9999	60	master-bin.001	79	Yes			0		0	1
drop table if exists t1;
create table t1 (n int);
insert into t1 values (10),(45),(90);
select * from t1;
n
10
45
90
drop table t1;