对库的操作
创建数据库:#create database 数据库名 (字符集设置 default character set uft8);
mysql> create database test_1 default character set utf8; Query OK, 1 row affected (0.00 sec)
删除数据库:#drop database 数据库名;
mysql> drop database test_1; Query OK, 0 rows affected (0.00 sec)
查看数据库:#show databases; 可以查看当前有几个数据库;分别叫什么;
mysql> show databases; +--------------------+ | Database | +--------------------+ | information_schema | | mysql | | performance_schema | | sys | | test_1 | +--------------------+ 5 rows in set (0.00 sec)
查看某一数据库的详细信息(字符集):#show create database 数据库名;
mysql> show create database test_1; +----------+-----------------------------------------------------------------+ | Database | Create Database | +----------+-----------------------------------------------------------------+ | test_1 | CREATE DATABASE `test_1` /*!40100 DEFAULT CHARACTER SET utf8 */ | +----------+-----------------------------------------------------------------+ 1 row in set (0.00 sec)
对表的操作
操作表之前必须知道你要操作哪一个库的表,然后进入这个库
切换某一个库:#use 库名;
mysql> use test_1;
Database changed
查看某一个表