在这种情况下，除非这个命令是在数据库崩溃之后才发出的，否则不会执行崩溃恢复。

In this case, no crash recovery will be performed unless this command was issued after a database crash.

youdao

只有在事务提交时才需要数据库写入锁，以确保原子地更新已修改的项，而不受到并发更新的干扰。

Database write locks are needed only at transaction commit time to ensure that the modified items are updated atomically without interference from concurrent updaters.

youdao

默认情况下，只有数据库管理员才拥有这些过程的EXECUTE权限。

By default, only the database administrator has EXECUTE privilege on these procedures.

youdao