Use a resource collection only when you need to select lists from among a set.
仅当需要从一个集合中选择列表时使用资源集合。
Owners of this form may be tempted to think they're safe because they've limited the column names to select lists.
此表单的所有者可能认为表单是安全的,因为他们已经把列名限定为选择列表。
SQL programmers may find it convenient to incorporate XQueries into their SELECT lists to extract (or project) fragments of XML documents into their result sets.
SQL程序员会发现,将XQueries嵌入到SELECT列表中以便将XML文档的片段提取(或投影)到结果集是很方便的。
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