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命令/语句
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功能
|
|
show engines;
|
查看存储引擎
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select database();
|
查看当前数据库
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show databases;
|
查看数据库列表
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show create database test;
|
查看数据库test的建库语句
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show tables;
|
查看当前数据库下的表
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show tables from test;
|
查看数据库test下的表
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show create table xxx;
|
查看表xxx的建表语句
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select user();
|
查看当前用户
|
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show engine innodb status;
|
查看InnoDB存储引擎的状态信息
|
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show grants for 'xxx'@'xxx'
|
查看用户的权限信息
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show create user 'xxx'@'xxx'
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查看用户的属性信息
|
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show columns from columns_priv like '%ab%';
|
查看含有ab 字样的字段
|
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show processlist;
|
查看mysql线程列表
|
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show status;
|
查看 mysql 状态
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show variables like '%xx%';
|
查看含有xx字样的参数
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show global status;
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查看 mysql 全局状态
|
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select user,host from mysql.user;
|
查看用户列表信息
|
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select * from information_schema.routines;
|
查看存储过程列表
|
查看存储引擎
mysql> show engines;
+--------------------+---------+----------------------------------------------------------------------------+--------------+------+------------+
| Engine | Support | Comment | Transactions | XA | Savepoints |
+--------------------+---------+----------------------------------------------------------------------------+--------------+------+------------+
| FEDERATED | YES | Federated MySQL storage engine | NO | NO | NO |
| PERFORMANCE_SCHEMA | YES | Performance Schema | NO | NO | NO |
| InnoDB | DEFAULT | Percona-XtraDB, Supports transactions, row-level locking, and foreign keys | YES | YES | YES |
| MEMORY | YES | Hash based, stored in memory, useful for temporary tables | NO | NO | NO |
| MyISAM | YES | MyISAM storage engine | NO | NO | NO |
| MRG_MYISAM | YES | Collection of identical MyISAM tables | NO | NO | NO |
| BLACKHOLE | YES | /dev/null storage engine (anything you write to it disappears) | NO | NO | NO |
| CSV | YES | CSV storage engine | NO | NO | NO |
| ARCHIVE | YES | Archive storage engine | NO | NO | NO |
+--------------------+---------+----------------------------------------------------------------------------+--------------+------+------------+
9 rows in set (0.00 sec)
查看当前数据库
mysql> use mysql;
Database changed
mysql> select database();
+
| database() |
+
| mysql |
+
1 row in set (0.00 sec)
查看数据库列表
mysql> show databases;
+
| Database |
+
| information_schema |
| mysql |
| performance_schema |
| sys |
+
5 rows in set (0.01 sec)
查看数据库sys的建库语句
mysql> show create database sys;
+
| Database | Create Database |
+
| sys | CREATE DATABASE `sys` |
+
1 row in set (0.00 sec)
查看当前数据库下的表
mysql> show tables;
+
| Tables_in_mysql |
+
| columns_priv |
| component |
| db |
| default_roles |
| engine_cost |
| func |
| general_log |
| global_grants |
| gtid_executed |
| help_category |
| help_keyword |
| help_relation |
| help_topic |
| innodb_index_stats |
| innodb_table_stats |
| password_history |
| plugin |
| procs_priv |
| proxies_priv |
| replication_asynchronous_connection_failover |
| replication_asynchronous_connection_failover_managed |
| role_edges |
| server_cost |
| servers |
| slave_master_info |
| slave_relay_log_info |
| slave_worker_info |
| slow_log |
| tables_priv |
| time_zone |
| time_zone_leap_second |
| time_zone_name |
| time_zone_transition |
| time_zone_transition_type |
| user |
+
35 rows in set (0.01 sec)
mysql>
查看当前用户
mysql> select user();
+
| user() |
+
| ncayu@localhost |
+
1 row in set (0.00 sec)
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