创建表空间
sql语句：
MySQL> create tablespace big_data_in_mysql add datafile 'first.ibd'; Query OK, 0 rows affected (0.57 sec)
上面这个语句就会创建一个名为big_data_in_mysql的表空间。同时这个表空间所对应的数据存放在first.ibd这个文件中。
因为这里没有指定存储目录，所以使用的是默认存储路径。这时，可以到默认数据存储文件夹下查看是否创建成功。
查看表空间
mysql> select * from information_schema.INNODB_SYS_TABLESPACES ; +-------+---------------------------------+------+-------------+------------+-----------+---------------+------------+---------------+-----------+----------------+ | SPACE | NAME | FLAG | FILE_FORMAT | ROW_FORMAT | PAGE_SIZE | ZIP_PAGE_SIZE | SPACE_TYPE | FS_BLOCK_SIZE | FILE_SIZE | ALLOCATED_SIZE | +-------+---------------------------------+------+-------------+------------+-----------+---------------+------------+---------------+-----------+----------------+ | 2 | mysql/plugin | 33 | Barracuda | Dynamic | 16384 | 0 | Single | 65536 | 98304 | 98304 | | 3 | mysql/servers | 33 | Barracuda | Dynamic | 16384 | 0 | Single | 65536 | 98304 | 98304 | | 4 | mysql/help_topic | 33 | Barracuda | Dynamic | 16384 | 0 | Single | 65536 | 9437184 | 9437184 | ···· | 93 | bas/t_bas_shop_item | 33 | Barracuda | Dynamic | 16384 | 0 | Single | 65536 | 163840 | 163840 | | 119 | insidemysql/student#p#p2 | 33 | Barracuda | Dynamic | 16384 | 0 | Single | 65536 | 98304 | 98304 | | 120 | insidemysql/t | 33 | Barracuda | Dynamic | 16384 | 0 | Single | 65536 | 98304 | 98304 | | 122 | test_tablespace | 2048 | Any | Any | 16384 | 0 | General | 65536 | 65536 | 65536 | | 125 | big_data_in_mysql | 2048 | Any | Any | 16384 | 0 | General | 65536 | 65536 | 65536 | +-------+---------------------------------+------+-------------+------------+-----------+---------------+------------+---------------+-----------+----------------+ 53 rows in set (0.03 sec)
删除表空间
DROP TABLESPACE tablespace_name [ENGINE [=] engine_name]
