reset master;
show master status;
File	Position	Binlog_Do_DB	Binlog_Ignore_DB
master-bin.000001	106		
reset slave;
SHOW SLAVE STATUS;
change master to master_host='127.0.0.1';
SHOW SLAVE STATUS;
Slave_IO_State	#
Master_Host	127.0.0.1
Master_User	test
Master_Port	3306
Connect_Retry	7
Master_Log_File	
Read_Master_Log_Pos	4
Relay_Log_File	#
Relay_Log_Pos	#
Relay_Master_Log_File	
Slave_IO_Running	No
Slave_SQL_Running	No
Replicate_Do_DB	
Replicate_Ignore_DB	
Replicate_Do_Table	
Replicate_Ignore_Table	#
Replicate_Wild_Do_Table	
Replicate_Wild_Ignore_Table	
Last_Errno	0
Last_Error	
Skip_Counter	0
Exec_Master_Log_Pos	0
Relay_Log_Space	#
Until_Condition	None
Until_Log_File	
Until_Log_Pos	0
Master_SSL_Allowed	No
Master_SSL_CA_File	
Master_SSL_CA_Path	
Master_SSL_Cert	
Master_SSL_Cipher	
Master_SSL_Key	
Seconds_Behind_Master	#
Master_SSL_Verify_Server_Cert	No
Last_IO_Errno	#
Last_IO_Error	#
Last_SQL_Errno	0
Last_SQL_Error	
change master to master_host='127.0.0.1',master_user='root',
master_password='',master_port=MASTER_PORT;
SHOW SLAVE STATUS;
Slave_IO_State	#
Master_Host	127.0.0.1
Master_User	root
Master_Port	MASTER_PORT
Connect_Retry	7
Master_Log_File	
Read_Master_Log_Pos	4
Relay_Log_File	#
Relay_Log_Pos	#
Relay_Master_Log_File	
Slave_IO_Running	No
Slave_SQL_Running	No
Replicate_Do_DB	
Replicate_Ignore_DB	
Replicate_Do_Table	
Replicate_Ignore_Table	#
Replicate_Wild_Do_Table	
Replicate_Wild_Ignore_Table	
Last_Errno	0
Last_Error	
Skip_Counter	0
Exec_Master_Log_Pos	0
Relay_Log_Space	#
Until_Condition	None
Until_Log_File	
Until_Log_Pos	0
Master_SSL_Allowed	No
Master_SSL_CA_File	
Master_SSL_CA_Path	
Master_SSL_Cert	
Master_SSL_Cipher	
Master_SSL_Key	
Seconds_Behind_Master	#
Master_SSL_Verify_Server_Cert	No
Last_IO_Errno	#
Last_IO_Error	#
Last_SQL_Errno	0
Last_SQL_Error	
start slave;
SHOW SLAVE STATUS;
Slave_IO_State	#
Master_Host	127.0.0.1
Master_User	root
Master_Port	MASTER_PORT
Connect_Retry	7
Master_Log_File	master-bin.000001
Read_Master_Log_Pos	106
Relay_Log_File	#
Relay_Log_Pos	#
Relay_Master_Log_File	master-bin.000001
Slave_IO_Running	Yes
Slave_SQL_Running	Yes
Replicate_Do_DB	
Replicate_Ignore_DB	
Replicate_Do_Table	
Replicate_Ignore_Table	#
Replicate_Wild_Do_Table	
Replicate_Wild_Ignore_Table	
Last_Errno	0
Last_Error	
Skip_Counter	0
Exec_Master_Log_Pos	106
Relay_Log_Space	#
Until_Condition	None
Until_Log_File	
Until_Log_Pos	0
Master_SSL_Allowed	No
Master_SSL_CA_File	
Master_SSL_CA_Path	
Master_SSL_Cert	
Master_SSL_Cipher	
Master_SSL_Key	
Seconds_Behind_Master	#
Master_SSL_Verify_Server_Cert	No
Last_IO_Errno	#
Last_IO_Error	#
Last_SQL_Errno	0
Last_SQL_Error	
drop table if exists t1;
create table t1 (n int, PRIMARY KEY(n));
insert into t1 values (10),(45),(90);
SELECT * FROM t1 ORDER BY n;
n
10
45
90
SELECT * FROM t1 ORDER BY n;
n
10
45
90
drop table t1;