show engines 解释

文章转自https://mariadb.com/kb/en/library/show-engines/#description

1）transaction 是否支持事务

2）XA 事务旨在允许分布式事务，其中事务管理器（应用程序）控制涉及多个资源的事务。这些资源通常是DBMS，但可以是任何类型的资源。

https://mariadb.com/kb/en/library/xa-transactions/

3）Savepoints  支持执行

SAVEPOINT identifier
ROLLBACK [WORK] TO [SAVEPOINT] identifier
RELEASE SAVEPOINT identifier
InnoDB支持SQL语句SAVEPOINT，ROLLBACK TO SAVEPOINT，RELEASE SAVEPOINT和ROLLBACK的可选WORK关键字。

https://mariadb.com/kb/en/library/savepoint/