mysql -h localhost -u root -p

mysql> show databases;

+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| sakila             |
| sys                |
| world              |
+--------------------+
6 rows in set (0.00 sec)

mysql> create database portal;

mysql> show create database portal \G;

*************************** 1. row ***************************
       Database: portal
Create Database: CREATE DATABASE `portal` /*!40100 DEFAULT CHARACTER SET utf8 */
1 row in set (0.00 sec)

mysql> use portal;

mysql> select database();

+------------+
| database() |
+------------+
| portal     |
+------------+
1 row in set (0.00 sec)

mysql> drop database portal;