最好的数据库系统是对用户不可见但功能强大的系统。
The best database systems are those that are invisible to the user, yet powerful in their capabilities.
我们都是同一个故事的一部分,但我们以不同的方式讲述它。
The Liskov Substitution Principle is a fundamental concept in object-oriented programming, ensuring that derived classes can be used in place of their base classes without altering the correctness of the program.