6
6
select @@global.report_port;
7
7
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
8
8
select @@session.report_port;
10
10
show global variables like 'report_port';
12
12
show session variables like 'report_port';
14
14
select * from information_schema.global_variables where variable_name='report_port';
16
16
select * from information_schema.session_variables where variable_name='report_port';
19
20
# show that it's read-only