In this case some database update operations might be reversed while others are not, sometimes requiring manual intervention to fix the problem.

在本例中，某些数据库更新操作可能会被反转，而另外一些不会，有时需要手动干预修复这一问题。

youdao

The database server is hidden; there is no database administrator, and no direct manual intervention is possible.

数据库服务器是隐藏的；没有数据库管理员，不可能进行直接的手工干预。

youdao

If your migrations are correct, each migration leaves your database in a consistent state, with no manual intervention.

如果迁移正确，那么每个迁移都会把数据库置于一个一致的状态，不需要手工干预。

youdao

Unlike other systems that require costly manual surveys to build and maintain a database of indoor Wi-Fi radio locations, the SiRFusion platform constantly updates its database automatically using crowdsourcing techniques.

ENGADGET: CSR sharpens indoor and in-car navigation with SiRFstarV, SiRFusion and SiRFprimaII