1 登录
mysql-uroot -proot
2.创建数据库
在创建数据库之前,我们可以查看已经存在的数据库:
mysql> SHOW DATABASES; +--------------------+ | Database | +--------------------+ | information_schema | | | sys | performance_schema | | mysql +--------------------+ 4 rows in set (0.00 sec)
创建数据库的格式:CREATE DATABASE 数据库名;
示例:创建一个名为tb1的数据库
mysql> CREATE DATABASE tb1; Query OK, 1 row affected (0.00 sec) mysql> SHOW DATABASES; +--------------------+ | Database | +--------------------+ | information_schema | | sys | | performance_schema | | mysql |
| tb1 | +--------------------+ 4 rows in set (0.00 sec)
3.删除数据库:
删除tb1数据库
mysql> SHOW DATABASES; +--------------------+ | Database | +--------------------+ | information_schema | | | sys | performance_schema | | mysql +--------------------+ 4 rows in set (0.00 sec)