问题描述：
[多选]
Which two statements are true about InnoDB auto-increment locking？关于InnoDB auto-increment锁，哪两种说法是正确的？（）
A．The auto-increment lock can be a table-level lock. 自动递增锁可以是表级锁。
B．InnoDB never uses table-level locks.
C．Some settings for innodb_autoinc_lock_mode can help reduce locking. 一些设置可以帮助减少锁定。
D．InnoDB always protects auto-increment updates with a table-level lock.
E．InnoDB does not use locks to enforce auto-increment uniqueness.
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