1select @@global.log_bin_index; 2@@global.log_bin_index 3REPLACED 4select @@session.log_bin_index; 5ERROR HY000: Variable 'log_bin_index' is a GLOBAL variable 6show global variables like 'log_bin_index'; 7Variable_name Value 8log_bin_index REPLACED 9show session variables like 'log_bin_index'; 10Variable_name Value 11log_bin_index REPLACED 12select * from information_schema.global_variables where variable_name='log_bin_index'; 13VARIABLE_NAME VARIABLE_VALUE 14LOG_BIN_INDEX REPLACED 15select * from information_schema.session_variables where variable_name='log_bin_index'; 16VARIABLE_NAME VARIABLE_VALUE 17LOG_BIN_INDEX REPLACED 18set global log_bin_index=1; 19ERROR HY000: Variable 'log_bin_index' is a read only variable 20set session log_bin_index=1; 21ERROR HY000: Variable 'log_bin_index' is a read only variable 22