Using System Variables Variable Name Variable Type Variable Scope internal_tmp_disk_storage_engine Enumeration Global internal_tmp_mem_storage_engine Enumeration Both join_buffer_size Integer Both keep_files_on_create Boolean Both key_buffer_size Integer Global key_cache_age_threshold Integer Global key_cache_block_size Integer Global key_cache_division_limit Integer Global keyring_aws_cmk_id String Global keyring_aws_region Enumeration Global keyring_encrypted_file_data File name Global keyring_encrypted_file_password String Global keyring_file_data File name Global keyring_hashicorp_auth_path String Global keyring_hashicorp_ca_path File name Global keyring_hashicorp_caching Boolean Global keyring_hashicorp_role_id String Global keyring_hashicorp_secret_id String Global keyring_hashicorp_server_url String Global keyring_hashicorp_store_path String Global keyring_okv_conf_dir Directory name Global keyring_operations Boolean Global last_insert_id Integer Session lc_messages String Both lc_time_names String Both local_infile Boolean Global lock_wait_timeout Integer Both log_bin_trust_function_creators Boolean Global log_bin_use_v1_row_events Boolean Global log_error_services String Global log_error_suppression_list String Global log_error_verbosity Integer Global log_output Set Global log_queries_not_using_indexes Boolean Global log_raw Boolean Global log_slow_admin_statements Boolean Global log_slow_extra Boolean Global log_slow_slave_statements Boolean Global 930