我将从一个HTML web页面示例入手，该页面加载一个简单的xml邮件列表格式用于动态更新，要加载的xml文档如清单1所示(labels . xml)。
I'll start with an example of an HTML Web page that loads a simple XML mailing list format for dynamic update. The XML to be loaded is shown in Listing 1 (labels.xml).
与任何数据库update查询一样，您必须向YQL查询传递要更新的字段列表，以及其新值和将更新限制为一组记录的一个where子句。
As with any database update query, you must pass the YQL query a list of fields to be updated, together with their new values, and a WHERE clause that restricts the update to a set of records.
要更新一个指定的供稿，只要在主界面点击，就会载入当前文章的列表。
To update a specific feed simply click on it when on the home screen. This will load a list full of recent posts.
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