--source include/windows.inc --source include/not_embedded.inc # # only global # select @@global.named_pipe_full_access_group; --error ER_INCORRECT_GLOBAL_LOCAL_VAR select @@session.named_pipe_full_access_group; show global variables like 'named_pipe_full_access_group'; show session variables like 'named_pipe_full_access_group'; set global named_pipe_full_access_group = NULL; show session variables like 'named_pipe_full_access_group'; set global named_pipe_full_access_group = '*everyone*'; --disable_warnings select * from information_schema.global_variables where variable_name='named_pipe_full_access_group'; select * from information_schema.session_variables where variable_name='named_pipe_full_access_group'; --enable_warnings