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#
# only global
#
select @@global.skip_networking;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
select @@session.skip_networking;
show global variables like 'skip_networking';
show session variables like 'skip_networking';
select * from information_schema.global_variables where variable_name='skip_networking';
select * from information_schema.session_variables where variable_name='skip_networking';
#
# show that it's read-only
#
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
set global skip_networking=1;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
set session skip_networking=1;
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