The problem to find out all candidate keys of relation schema is solved satisfactorily. And a new recursive algorithm of finding out all candidate keys is given.
圆满地解决了关系模式全部候选关键字的求解问题，具体地给出了以递归形式的求全部候选关键字的新算法。
My work has the appearance it has, wrongly called 'objective' and 'impersonal', because my first and largest interest is in my relation to the natural world, all of it, all the way out.
我的作品常被错误地称为‘客观’和‘冷静’，因为我首要和最大的兴趣是我与自然世界的关系，所有都是以此出发。
My work has the appearance it has, wrongly called 'objective' and 'impersonal', because my first and largest interest is in my relation to the natural world, all of it, all the way out.
我的作品常被错误地称为‘客观’和‘冷静’，因为我首要和最大的兴趣是我与自然世界的关系，所有都是以此出发。
应用推荐