创建数据库的步骤
mysql> CREATE DATABASE icoast;
Query OK, 1 row affected
mysql> SHOW DATABASES;
+--------------------+
| Database |
+--------------------+
| information_schema |
| icoast |
| mysql |
| performance_schema |
| test |
+--------------------+
5 rows in set
mysql> SHOW CREATE DATABASE icoast;
+----------+----------------------------------------------------------------+
| Database | Create Database |
+----------+----------------------------------------------------------------+
| icoast | CREATE DATABASE `icoast` /*!40100 DEFAULT CHARACTER SET gbk */ |
+----------+----------------------------------------------------------------+
1 row in set
mysql> ALTER DATABASE icoast DEFAULT CHARACTER SET utf8;
Query OK, 1 row affected
mysql> SHOW CREATE DATABASE
icoast;
+----------+-----------------------------------------------------------------+
| Database | Create Database |
+----------+-----------------------------------------------------------------+
| icoast | CREATE DATABASE `icoast` /*!40100 DEFAULT CHARACTER SET utf8 */ |
+----------+-----------------------------------------------------------------+
1 row in set
mysql> DROP DATABASE icoast;
Query OK, 0 rows affected
mysql> SHOW DATABASES;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| test |
+--------------------+
4 rows in set
mysql>