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数据库中最重要的东西是模式。
The most important thing in a database is the schema.
I have to be alone very often. I'd be quite happy if I spent from Saturday night until Monday morning alone in my apartment. That's how I refuel.
不要因为结束而哭泣,微笑吧,为你的曾经拥有。
I believe that happy girls are the prettiest girls.  
Civilization is not inherited; it has to be learned and earned by each generation anew.