Modify column to change its length or nullability
修改列以更改其长度或可为空特性
The nullability characteristics of each column must be the same.
每列的为空性（nullability）特征必须相同。
Therefore, it is very important for the remote table definition to include column nullability.
因此，远程表的定义允许列可以为空这一点非常重要。
But in reality, is our heart and life are the nullability, speak the same as in the Diamond Sutra.
但实际是我们的心和生活确实是空性的，正如《金刚经》中所讲的一样。
Design attribute domain integrity. Considerations include CHECK constraints, data types, and nullability.
设计域完整性属性。考虑CHECK约束，数据类型和是否非空。
From the essence of is illusory, all are the nullability of, but we did not permit this realm, we still have to do meaningful things.
从大的本质上看是虚幻的，一切都是空性的，但是，我们还没有证到这个境界，我们还是要做有意义的事情。
From the essence of is illusory, all are the nullability of, but we did not permit this realm, we still have to do meaningful things.
从大的本质上看是虚幻的，一切都是空性的，但是，我们还没有证到这个境界，我们还是要做有意义的事情。
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