Problem
You want to know how to do the following, through mysql command line interface:
- Connect to the mysql daemon
- Show the databases your user has access
- Show tables defined under that db
- Show schema for given table
Solution
Example
mysql -u'username' -p'password' -h'mysql_host'
mysql_host is optional if the daemon is running on the same host.
Show databases
show databases;
Show tables
show tables;
Describe tables
use demo;describe demo;
For example:
mysql> show databases;+----------+| Database |+----------+| demo || test |+----------+2 rows in set (0.00 sec)mysql> use demo;Database changedmysql> show tables;+----------------+| Tables_in_demo |+----------------+| demo_table |+----------------+1 row in set (0.00 sec)mysql> desc demo_table;+-------+--------------+------+-----+---------+-------+| Field | Type | Null | Key | Default | Extra |+-------+--------------+------+-----+---------+-------+| id | mediumint(9) | | PRI | 0 | || day | varchar(20) | | | | || val | tinyint(4) | | | 0 | |+-------+--------------+------+-----+---------+-------+3 rows in set (0.10 sec)
