Let's see how you could use them: I'm writing regarding the issues we've been having with our database system.

我写这封邮件是想谈谈我们在数据库系统上遇到的问题。

During this period, the current database system became too slow and inconsistent for Ellison and his team to consider constructing a stand-out product.

在此期间，当前的数据库系统变得太慢且不一致，以至于 Ellison 和他的团队无法考虑构建出众的产品。