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 db;

mysql> CREATE DATABASE IF NOT EXISTS db;

mysql> CREATE DATABASE db CHARACTER SET 'utf8' COLLATE 'utf8_general_ci';

mysql> SHOW CREATE DATABASE db \G;

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

mysql> USE db;

mysql> SELECT DATABASE();
+------------+
| DATABASE() |
+------------+
| db         |
+------------+

mysql> DROP DATABASE db;

mysql> SHOW ENGINES;
+--------------------+---------+----------------------------------------------------------------+--------------+------+------------+
| Engine             | Support | Comment                                                        | Transactions | XA   | Savepoints |
+--------------------+---------+----------------------------------------------------------------+--------------+------+------------+
| InnoDB             | DEFAULT | Supports transactions, row-level locking, and foreign keys     | YES          | YES  | YES        |
| MRG_MYISAM         | YES     | Collection of identical MyISAM tables                          | NO           | NO   | NO         |
| MEMORY             | YES     | Hash based, stored in memory, useful for temporary tables      | NO           | NO   | NO         |
| BLACKHOLE          | YES     | /dev/null storage engine (anything you write to it disappears) | NO           | NO   | NO         |
| MyISAM             | YES     | MyISAM storage engine                                          | NO           | NO   | NO         |
| CSV                | YES     | CSV storage engine                                             | NO           | NO   | NO         |
| ARCHIVE            | YES     | Archive storage engine                                         | NO           | NO   | NO         |
| PERFORMANCE_SCHEMA | YES     | Performance Schema                                             | NO           | NO   | NO         |
| FEDERATED          | NO      | Federated MySQL storage engine                                 | NULL         | NULL | NULL       |
+--------------------+---------+----------------------------------------------------------------+--------------+------+------------+

[mysqld]#Path to the database root
datadir="C:/ProgramData/MySQL/MySQL Server 5.6/Data/"

mysql> SHOW VARIABLES LIKE 'innodb_data%';

+-----------------------+------------------------+
| Variable_name         | Value                  |
+-----------------------+------------------------+
| innodb_data_file_path | ibdata1:12M:autoextend |
| innodb_data_home_dir  |                        |
+-----------------------+------------------------+

[mysqld]innodb_data_home_dir = /data/3306
innodb_data_file_path = ibdata1:12M:autoextend:max:1G

mysql> show variables like 'storage_engine';

+----------------+--------+
| Variable_name  | Value  |
+----------------+--------+
| storage_engine | InnoDB |
+----------------+--------+
1 row in set (0.00 sec)

mysql> SELECT DISTINCT table_schema,table_collation-> FROM information_schema. TABLES-> WHERE table_schema NOT IN ('performance_schema', 'sys', 'test', 'mysql', 'information_schema');

+--------------+-----------------+
| table_schema | table_collation |
+--------------+-----------------+
| db           | utf8_general_ci |
+--------------+-----------------+