查看MySQL系统变量的命令
用了好长时间mysql，却没有用心记住一些有用的东西，加油！ mysql> SHOW VARIABLES;
+---------------------------------+-------------------------------------------+
| Variable_name | Value |
+---------------------------------+-------------------------------------------+
| auto_increment_increment | 1 |
| auto_increment_offset | 1 |
| automatic_sp_privileges | ON |
| back_log | 50 |
| basedir | /home/jon/bin/mysql/ |
| binlog_cache_size | 32768 |
| bulk_insert_buffer_size | 8388608 |
| character_set_client | latin1 |
| character_set_connection | latin1 |
| character_set_database | latin1 |
| character_set_results | latin1 |
| character_set_server | latin1 |
| character_set_system | utf8 |
| character_sets_dir | /home/jon/bin/mysql/share/mysql/charsets/ |
| collation_connection | latin1_swedish_ci |
| collation_database | latin1_swedish_ci |
| collation_server | latin1_swedish_ci |
| completion_type | 0 |
| concurrent_insert | 1 |
| connect_timeout | 5 |
| datadir | /home/jon/bin/mysql/var/ |
| date_format | %Y-%m-%d |
| datetime_format | %Y-%m-%d %H:%i:%s |
| default_week_format | 0 |
| delay_key_write | ON |
| delayed_insert_limit | 100 |
| delayed_insert_timeout | 300 |
| delayed_queue_size | 1000 |
| div_precision_increment | 4 |
| engine_condition_pushdown | OFF |
| expire_logs_days | 0 |
| flush | OFF |
| flush_time | 0 |
| ft_boolean_syntax | + -><()~*:""&| |
| ft_max_word_len | 84 |
| ft_min_word_len | 4 |
| ft_query_expansion_limit | 20 |
| ft_stopword_file | (built-in) |
| group_concat_max_len | 1024 |
| have_archive | YES |
| have_bdb | NO |
| have_blackhole_engine | YES |
| have_compress | YES |
| have_crypt | YES |
| have_csv | YES |
| have_example_engine | NO |
| have_federated_engine | NO |
| have_geometry | YES |
| have_innodb | YES |
| have_isam | NO |
| have_ndbcluster | DISABLED |
| have_openssl | NO |
| have_partition_engine | YES |
| have_query_cache | YES |
| have_raid | NO |
| have_rtree_keys | YES |
| have_symlink | YES |
| init_connect | |
| init_file | |
| init_slave | |
| innodb_additional_mem_pool_size | 1048576 |
| innodb_autoextend_increment | 8 |
| innodb_buffer_pool_awe_mem_mb | 0 |
| innodb_buffer_pool_size | 8388608 |
| innodb_checksums | ON |
| innodb_commit_concurrency | 0 |
| innodb_concurrency_tickets | 500 |
| innodb_data_file_path | ibdata1:10M:autoextend |
| innodb_data_home_dir | |
| innodb_doublewrite | ON |
| innodb_fast_shutdown | 1 |
| innodb_file_io_threads | 4 |
| innodb_file_per_table | OFF |
| innodb_flush_log_at_trx_commit | 1 |
| innodb_flush_method | |
| innodb_force_recovery | 0 |
| innodb_lock_wait_timeout | 50 |
| innodb_locks_unsafe_for_binlog | OFF |
| innodb_log_arch_dir | |
| innodb_log_archive | OFF |
| innodb_log_buffer_size | 1048576 |
| innodb_log_file_size | 5242880 |
| innodb_log_files_in_group | 2 |
| innodb_log_group_home_dir | ./ |
| innodb_max_dirty_pages_pct | 90 |
| innodb_max_purge_lag | 0 |
| innodb_mirrored_log_groups | 1 |
| innodb_open_files | 300 |
| innodb_support_xa | ON |
| innodb_sync_spin_loops | 20 |
| innodb_table_locks | ON |
| innodb_thread_concurrency | 20 |
| innodb_thread_sleep_delay | 10000 |
| interactive_timeout | 28800 |
| join_buffer_size | 131072 |
| key_buffer_size | 8388600 |
| key_cache_age_threshold | 300 |
| key_cache_block_size | 1024 |
| key_cache_division_limit | 100 |
| language | /home/jon/bin/mysql/share/mysql/english/ |
| large_files_support | ON |
| large_page_size | 0 |
| large_pages | OFF |
| license | GPL |
| local_infile | ON |
| locked_in_memory | OFF |
| log | ON |
| log_bin | ON |
| log_bin_trust_routine_creators | OFF |
| log_error | /home/jon/bin/mysql/var/master1.err |
| log_slave_updates | OFF |
| log_slow_queries | OFF |
| log_warnings | 1 |
| long_query_time | 10 |
| low_priority_updates | OFF |
| lower_case_file_system | OFF |
| lower_case_table_names | 0 |
| max_allowed_packet | 1048576 |
| max_binlog_cache_size | 4294967295 |
| max_binlog_size | 1073741824 |
| max_connect_errors | 10 |
| max_connections | 100 |
| max_delayed_threads | 20 |
| max_error_count | 64 |
| max_heap_table_size | 16777216 |
| max_insert_delayed_threads | 20 |
| max_join_size | 4294967295 |
| max_length_for_sort_data | 1024 |
| max_relay_log_size | 0 |
| max_seeks_for_key | 4294967295 |
| max_sort_length | 1024 |
| max_tmp_tables | 32 |
| max_user_connections | 0 |
| max_write_lock_count | 4294967295 |
| multi_range_count | 256 |
| myisam_data_pointer_size | 6 |
| myisam_max_sort_file_size | 2147483647 |
| myisam_recover_options | OFF |
| myisam_repair_threads | 1 |
| myisam_sort_buffer_size | 8388608 |
| ndb_autoincrement_prefetch_sz | 32 |
| ndb_cache_check_time | 0 |
| ndb_force_send | ON |
| ndb_index_stat_cache_entries | 32 |
| ndb_index_stat_enable | ON |
| ndb_index_stat_update_freq | 20 |
| ndb_use_exact_count | ON |
| ndb_use_transactions | ON |
| net_buffer_length | 16384 |
| net_read_timeout | 30 |
| net_retry_count | 10 |
| net_write_timeout | 60 |
| new | OFF |
| old_alter_table | OFF |
| old_passwords | OFF |
| open_files_limit | 1024 |
| optimizer_prune_level | 1 |
| optimizer_search_depth | 62 |
| pid_file | /home/jon/bin/mysql/var/hostname.pid1 |
| port | 3306 |
| preload_buffer_size | 32768 |
| protocol_version | 10 |
| query_alloc_block_size | 8192 |
| query_cache_limit | 1048576 |
| query_cache_min_res_unit | 4096 |
| query_cache_size | 0 |
| query_cache_type | ON |
| query_cache_wlock_invalidate | OFF |
| query_prealloc_size | 8192 |
| range_alloc_block_size | 2048 |
| read_buffer_size | 131072 |
| read_only | OFF |
| read_rnd_buffer_size | 262144 |
| relay_log_purge | ON |
| relay_log_space_limit | 0 |
| rpl_recovery_rank | 0 |
| secure_auth | OFF |
| server_id | 1 |
| skip_external_locking | ON |
| skip_networking | OFF |
| skip_show_database | OFF |
| slave_compressed_protocol | OFF |
| slave_load_tmpdir | /tmp/ |
| slave_net_timeout | 3600 |
| slave_skip_errors | OFF |
| slave_transaction_retries | 10 |
| slow_launch_time | 2 |
| socket | /tmp/mysql.sock |
| sort_buffer_size | 2097144 |
| sql_mode | |
| sql_notes | ON |
| sql_warnings | ON |
| storage_engine | MyISAM |
| sync_binlog | 0 |
| sync_frm | ON |
| sync_replication | 0 |
| sync_replication_slave_id | 0 |
| sync_replication_timeout | 10 |
| system_time_zone | EST |
| table_cache | 64 |
| table_lock_wait_timeout | 50 |
| table_type | MyISAM |
| thread_cache_size | 0 |
| thread_stack | 196608 |
| time_format | %H:%i:%s |
| time_zone | SYSTEM |
| timed_mutexes | OFF |
| tmp_table_size | 33554432 |
| tmpdir | |
| transaction_alloc_block_size | 8192 |
| transaction_prealloc_size | 4096 |
| tx_isolation | REPEATABLE-READ |
| updatable_views_with_limit | YES |
| version | 5.1.2-alpha-log |
| version_comment | Source distribution |
| version_compile_machine | i686 |
| version_compile_os | suse-linux |
| wait_timeout | 28800 |
+---------------------------------+-------------------------------------------+
218 rows in set (0.03 sec)
查看MySQL系统变量的命令的更多相关文章
- MySQL系统变量sql_safe_updates总结
MySQL系统变量sql_safe_updates总结 在MySQL中,系统变量sql_safe_updates是个非常有意思的系统变量,在Oracle和SQL Server中都没有见过这样的参数 ...
- 查看MySQL数据库表的命令介绍
如果需要查看MySQL数据库中都有哪些MySQL数据库表,应该如何实现呢?下面就为您介绍查看MySQL数据库表的命令,供您参考. 进入MySQL Command line client下查看当前使用的 ...
- mysql系统变量查询
mysql系统变量包括全局变量(global)和会话变量(session),global变量对所有session生效,session变量包括global变量.mysql调优必然会涉及这些系统变量的调整 ...
- mysql 系统变量和session变量
mysql系统变量包括全局变量(global)和会话变量(session),global变量对所有session生效,session变量包括global变量.mysql调优必然会涉及这些系统变量的调整 ...
- mysql系统变量与状态变量
一.系统变量分为全局系统变量和会话系统变量:有些变量既是全局系统变量,有些变量只有全局的,有些变量只有会话的. .变量的查询: show global variables like 'log' \G; ...
- 常用mysql系统表及命令
常用系统表查看当前数据库连接ip信息– select * from information_schema.PROCESSLIST 当前mysql实例中所有数据库的信息– select * from i ...
- 查看linux系统常用的命令，Linux查看系统配置常用命令
一.linux CPU大小 cat /proc/cpuinfo |grep "model name" && cat /proc/cpuinfo |grep &qu ...
- 【查看linux配置】查看linux系统常用的命令，Linux查看系统配置常用命令
一.linux CPU大小 cat /proc/cpuinfo |grep "model name" && cat /proc/cpuinfo |grep &qu ...
- Ubuntu 更新系统版本以及查看当前系统版本的命令
1. Ubuntu 查看当前系统版本: lsb_release -a 2. Ubuntu 更新系统版本的命令: sudo do-release-upgrade
随机推荐
- How To Build Kubernetes Platform (构建Kubernetes平台方案参考）
Architecture Architecture Diagram Non-Prod Environment Prod Environment Cluster Networking Container ...
- mysql中的 enum (枚举)
mysql enum是指字段的类型 表示枚举类型 mysql> alter table student add adders enum("sichuang","sh ...
- expand - 把 tab 符转换为空格符
总览 (SYNOPSIS) ../src/expand [OPTION]... [FILE]... 描述 (DESCRIPTION) 把 各文件 FILE 中的 tab 符 转换为 空格符, 然后 写 ...
- 转行做web前端，该如何进行短期快速自学，达到高新就业水平
就目前来说,毕业生如果想毕业就找到高薪的工作,互联网成为了第一个选择,在所有的职业中,不靠任何关系,全凭自己的能力就业,就是程序开发,而web前端开发是目最很热门的行业,在未来五年之内,web前端开发 ...
- C++静态全局变量和全局变量的区别
静态全局变量 非静态全局变量 存储方式 静态存储 静态存储 作用域 定义该变量的源文件内 所有源文件 解释: 共同点:全局变量(外部变量)的说明之前再冠以static 就构 成了静态的全局变量.全 ...
- List去重复数据
for ( int i = 0 ; i < list.size() - 1 ; i ++ ) { for ( int j = list.size() - 1 ; j > i; j -- ...
- 4.关于while循环的基础小练习
1)使用while.if循环输入123456 8910 count = 0 while count < 10: count += 1 if count == 7: print('') else: ...
- Mac下Apache服务器的初步搭建
回送地址 127.0.0.1(localhost) ping 这个地址可以检测网卡是否正常 ping 本地地址如果不正常说明网线挂了 // 启动 sudo apachectl -k start ...
- css 浮动规则
1. 如果浮动元素的高度大于父级元素,那么浮动元素块会超过父级元素的底部.解决办法:将父级元素也设置为浮动定位. 2. 不改变box尺寸的情况下增加box内部的内边距:box-sizing: bord ...
- dll加载遇到的问题
dll加载有两种形式,分别是隐式加载和显式加载. 隐式加载在编译的时候就将dll文件编译到可执行文件中去,程序发布的时候可以不用讲dll带着.缺点是,这样编译出来后,程序会很大. 显式加载是指在程序运 ...