To continue press the hash key.

要继续，请按# 号键。

Cannot change hash key after first write to the stream.

不能在首次写入该流后更改哈希键。

Hash key cannot be changed after the first write to the stream.

不能在先写入该流后更改哈希键。

With a Forest of Trees index, the database architect can specify one or more of the leading columns to be used to create a hash key.

有了Forest of Trees索引，数据库架构师可以指定一个和多个引导列来创建一个hash键。

If the hash key is calculated from those parameters, previously generated versions of the same view can be retrieved easily from the cache.

如果用这些参数计算散列键，则很容易在缓存中找到同一视图的旧版本。