show tables;
Tables_in_mysql	table_type
columns_priv	BASE TABLE
db	BASE TABLE
func	BASE TABLE
help_category	BASE TABLE
help_keyword	BASE TABLE
help_relation	BASE TABLE
help_topic	BASE TABLE
host	BASE TABLE
proc	BASE TABLE
tables_priv	BASE TABLE
time_zone	BASE TABLE
time_zone_leap_second	BASE TABLE
time_zone_name	BASE TABLE
time_zone_transition	BASE TABLE
time_zone_transition_type	BASE TABLE
user	BASE TABLE
show tables;
Tables_in_test	table_type
grant ALL on *.* to test@localhost identified by "gambling";
grant ALL on *.* to test@127.0.0.1 identified by "gambling";
show tables;
Tables_in_mysql	table_type
columns_priv	BASE TABLE
db	BASE TABLE
func	BASE TABLE
help_category	BASE TABLE
help_keyword	BASE TABLE
help_relation	BASE TABLE
help_topic	BASE TABLE
host	BASE TABLE
proc	BASE TABLE
tables_priv	BASE TABLE
time_zone	BASE TABLE
time_zone_leap_second	BASE TABLE
time_zone_name	BASE TABLE
time_zone_transition	BASE TABLE
time_zone_transition_type	BASE TABLE
user	BASE TABLE
show tables;
Tables_in_test	table_type
update mysql.user set password=old_password("gambling2") where user=_binary"test";
flush privileges;
set password="";
set password='gambling3';
ERROR HY000: Password hash should be a 41-digit hexadecimal number
set password=old_password('gambling3');
show tables;
Tables_in_mysql	table_type
columns_priv	BASE TABLE
db	BASE TABLE
func	BASE TABLE
help_category	BASE TABLE
help_keyword	BASE TABLE
help_relation	BASE TABLE
help_topic	BASE TABLE
host	BASE TABLE
proc	BASE TABLE
tables_priv	BASE TABLE
time_zone	BASE TABLE
time_zone_leap_second	BASE TABLE
time_zone_name	BASE TABLE
time_zone_transition	BASE TABLE
time_zone_transition_type	BASE TABLE
user	BASE TABLE
show tables;
Tables_in_test	table_type
delete from mysql.user where user=_binary"test";
flush privileges;