DynamoDB 中的保留字 - Amazon DynamoDB
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DynamoDB 中的保留字

将保留以下关键字供 DynamoDB 使用。不要将这些关键字作为表达式的属性名称。列表不区分大小写。

如果要编写的表达式包含的属性名称与 DynamoDB 保留字冲突,可以定义表达式属性名称代替保留字。有关更多信息,请参阅 DynamoDB 中的表达式属性名称

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