DEFAULT or YES = STORAGE ENGINE IS COMPILED IN AND ENABLED
DISABLE = COMPILED IN BUT DISABLED
NO = NOT COMPILED

mysql> SHOW ENGINES;
+————+———+—————————————————————-+————–+—–+————+
| Engine | Support | Comment | Transactions | XA | Savepoints |
+————+———+—————————————————————-+————–+—–+————+
| MyISAM | DEFAULT | Default engine as of MySQL 3.23 with great performance | NO | NO | NO |
| MRG_MYISAM | YES | Collection of identical MyISAM tables | NO | NO | NO |
| BLACKHOLE | YES | /dev/null storage engine (anything you write to it disappears) | NO | NO | NO |
| CSV | YES | CSV storage engine | NO | NO | NO |
| MEMORY | YES | Hash based, stored in memory, useful for temporary tables | NO | NO | NO |
| InnoDB | YES | Supports transactions, row-level locking, and foreign keys | YES | YES | YES |
| ARCHIVE | YES | Archive storage engine | NO | NO | NO |
+————+———+—————————————————————-+————–+—–+————+
7 rows in set (0.05 sec)

mysql>

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