There is also a new feature for the LIKE predicate that makes it possible to use a column reference as pattern expression.

LIKE谓词有一个新特性，允许使用列引用作为模式表达式。

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Use BC mode, or append a predicate [1] onto the select expression.

使用 BC 模式，或者在 select 表达式后加上谓词 [1]。

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Update transactions first read a specific document based on an XQuery predicate, and then use it to update the original copy of that document in the database.

更新事务首先根据一个XQuery谓词读取一个特定文档，然后使用它更新数据库中这个文档的原副本。

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