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       |
+--------------------+---------+----------------------------------------------------------------+--------------+------+------------+
9 rows in set (0.00 sec)

mysql> create database test;
Query OK, 1 row affected (0.00 sec)
mysql> use test;
Database changed
mysql> create table emp (empno numeric(4) not null,ename varchar(10),job varchar(9),mgr numeric(4),hiredate datetime,sal numeric(7, 2),comm numeric(7, 2),deptno numeric(2)) ENGINE = BLACKHOLE;
Query OK, 0 rows affected (0.01 sec)
mysql> insert into emp values (7369, ‘SMITH‘, ‘CLERK‘, 7902, ‘1980-12-17‘, 800, null, 20);
Query OK, 1 row affected (0.00 sec)
mysql> select * from emp;
Empty set (0.00 sec)

[root@jz_130 ~]# cd /var/lib/mysql/test/
[root@jz_130 test]# ll
total 16
-rw-r-----. 1 mysql mysql   65 Dec  3 23:18 db.opt
-rw-r-----. 1 mysql mysql 8780 Dec  3 23:19 emp.frm