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Operating System:UbuntuKylin 16.04 LTS 64bit
mysql: Ver 14.14 Distrib 5.7.17, for Linux (x86_64) using EditLine wrapper
登录:
展示所有数据库:
进入指定的数据库:
[email protected]:~$ mysql -u root -p Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 12 Server version: 5.7.17-0ubuntu0.16.04.1 (Ubuntu) Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type ‘help;‘ or ‘\h‘ for help. Type ‘\c‘ to clear the current input statement. mysql> show databases -> ; +--------------------+ | Database | +--------------------+ | information_schema | | myFirstDB | | mysql | | performance_schema | | phpmyadmin | | sys | +--------------------+ 6 rows in set (0.00 sec) mysql> use myFirstDB Reading table information for completion of table and column names You can turn off this feature to get a quicker startup with -A Database changed
展示当前数据库下的所有表:
mysql> show tables; +---------------------+ | Tables_in_myFirstDB | +---------------------+ | FirstTable | | PersonalInformation | +---------------------+ 2 rows in set (0.00 sec)
查看一个表的结构:
code:
mysql> describe PersonalInformation;
result show:
+-------+-------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +-------+-------------+------+-----+---------+-------+ | nid | int(11) | YES | UNI | NULL | | | name | varchar(20) | YES | | NULL | | +-------+-------------+------+-----+---------+-------+ 2 rows in set (0.00 sec)
查看一个表的详细信息 使用的什么引擎:
code:
mysql> show create table PersonalInformation;
result:
+---------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | Table | Create Table | +---------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | PersonalInformation | CREATE TABLE `PersonalInformation` ( `nid` int(11) DEFAULT NULL, `name` varchar(20) DEFAULT NULL, UNIQUE KEY `nid` (`nid`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 | +---------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ 1 row in set (0.00 sec)
退出:
mysql> exit Bye [email protected]:~$
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时间: 2024-10-31 01:39:03