alter domain zipcode drop not null;

below is an example of a custom constraint named zipcode

如下代码自定义了一个名为ZipCode的约束

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you did not enter a zipcode

你没有输入邮编

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therefore, it can use partition 1 of our index the traditional way to avoid a sort on zipcode.

因此，它可以以传统方法使用我们索引的Partition1来避免在ZIPCODE上进行排序。

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how does an email address have a zipcode? !

电子邮件怎么会有邮政编码？

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when you see select= "address" or select= "zipcode" , for example, you're seeing xpath in action.

比方说，当您看到select=“address”或者select=“zipCode”的时候，您看到的就是应用中的XPath。

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figure 1 shows an example of two indexes: one a dpsi and the other an npsi on the column zipcode.

图1显示了两个索引的一个示例：一个是DPSI，另一个是NPSI，在列ZIPCODE上。

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for example, a zip code in an address might use a tag called "zipcode" ; a step in a procedure, "step. "

比如地址的邮政编码可以使用称为“zipcode”的标签；过程的步骤可以使用“step”标记。

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we can create elements of that type using the zipcode_t name.

我们可以使用zipcode_t名称创建几个那种类型的元素。

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figure 14 below shows the results after invoking the web service client with the zip code 95120.

下面的图14显示了用邮政编码（ZIPcode）95120调用Web服务客户机后的结果。

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in the example in listing 3, the zipcode element is not defined globally.

在清单3的例子中，zipCode元素不是全局定义的。

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the zip code field is now ajax-enabled.

ZipCode字段现在是启用了Ajax的。

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the compiler would then attempt to infer the context; for example, that zipcode was really referring to the zipcode defined on customer.

随后，编译器将尝试推断上下文；例如，ZipCode实际上引用了Customer上定义的ZipCode。

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if the user has entered a zipcode in the view jsp file and clicked submit, then this value will be available.

如果用户已经在浏览JSP文件中输入了邮政编码，并点击了提交，那么该值将是可用的。

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you will also need a working internet connection from your machine to connect to the sample zipcode web service.

您将还需要一个运行着的internet连接，从您的机器连接到样本ZipCodeWeb服务。

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and you'll never guess what that ziploc3 column_really_ contains (hint: nothing like a zipcode).

你再猜猜“邮编”列存的是什么？（提示：一点都不像邮政编码）。

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you've identified both the surname and zip code, so you can sort the address_rec components using the contents of those elements.

您已经标识了surname和zipcode，因此您可以使用这些元素的内容来对address_rec元素排序。

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you can reference the zipcode element in other parts of this schema and in parent schemas that might import this schema.

您可以在该模式的其他部分和会导入该模式的父模式中引用zipCode元素。

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since the shipping costs in the us are built on zipcode, having a script to insure five digits may decrease improper shipping charges.

由于美国的运输成本是建立在邮递区号，有一个脚本，以保证5位不当可能会降低运费。

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you can specify the @zipcode constraint on a class, field, or property just like any other constraint.

可以将@ZipCode用在类、属性或是方法上，就像其他约束一样。

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when i was in graduate school in new york, i was so poor that i had to live in the worst apartment in the sleaziest part of town.

我在纽约读研究生的时候，我穷得只能在城里最低档的地区租公寓。

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