Using System Variables 934 Variable Name Variable Type Variable Scope ndbinfo_show_hidden Boolean Both net_buffer_length Integer Both net_read_timeout Integer Both net_retry_count Integer Both net_write_timeout Integer Both new Boolean Both offline_mode Boolean Global old_alter_table Boolean Both optimizer_prune_level Integer Both optimizer_search_depth Integer Both optimizer_switch Set Both optimizer_trace String Both optimizer_trace_features String Both optimizer_trace_limit Integer Both optimizer_trace_max_mem_size Integer Both optimizer_trace_offset Integer Both original_commit_timestamp Numeric Session original_server_version Integer Session parser_max_mem_size Integer Both partial_revokes Boolean Global password_history Integer Global password_require_current Boolean Global password_reuse_interval Integer Global performance_schema_max_digest_sample_age Integer Global performance_schema_show_processlist Boolean Global preload_buffer_size Integer Both print_identified_with_as_hex Boolean Both profiling Boolean Both profiling_history_size Integer Both protocol_compression_algorithms Set Global pseudo_slave_mode Boolean Session pseudo_thread_id Integer Session query_alloc_block_size Integer Both query_prealloc_size Integer Both rand_seed1 Integer Session rand_seed2 Integer Session range_alloc_block_size Integer Both range_optimizer_max_mem_size Integer Both