I don't care about having a legacy. I don't care about being remembered.
The most important thing in a database is the data model. If you get the data model right, everything else will follow.
The more constraints one imposes, the more one frees oneself.
每一个数学问题都是一个等待解决的谜题,每一个解答都是向理解现实结构迈进的一步。