A subsequent query specifying the address column in the CLIENTS table retrieves the address information as a concatenated mailing address.

随后的查询指定了clients表中的address列，从中检索地址信息，并将其作为连接的邮寄地址。

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To do that, we will invoke the observer method (using the double-dot operator) for the city attribute of the structured type value in the ADDRESS column (Listing 2).

为了实现这个目标，我们将调用observer方法(使用双点运算符)获取address列中的结构化类型值的城市属性。(清单2)。

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To do that, we will invoke the observer method (using the double-dot operator) for the city attribute of the structured type value in the ADDRESS column (Listing 2).

为了实现这个目标，我们将调用observer方法(使用双点运算符)获取address列中的结构化类型值的城市属性。(清单2)。

youdao