# # only global # select @@global.large_page_size = 1; --error ER_INCORRECT_GLOBAL_LOCAL_VAR select @@session.large_page_size; --replace_column 2 # show global variables like 'large_page_size'; --replace_column 2 # show session variables like 'large_page_size'; --replace_column 2 # select * from information_schema.global_variables where variable_name='large_page_size'; --replace_column 2 # select * from information_schema.session_variables where variable_name='large_page_size'; # # show that it's read-only # --error ER_INCORRECT_GLOBAL_LOCAL_VAR set global large_page_size=1; --error ER_INCORRECT_GLOBAL_LOCAL_VAR set session large_page_size=1;