Operating - system file name physical file name 操作系统文件名（物理文件名称） 。
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Specifies the operating system physical file name 指定操作系统（物理）文件名称。
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Logical and physical file names 逻辑和物理文件名称
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Returns a list of physical file names that correspond to a list of virtual file locations 返回与虚拟文件位置列表对应的物理文件名列表。从
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The following illustration shows examples of the logical file names and the physical file names of a database created on a default instance of sql server 2005 下图显示了在默认sql server 2005实例上创建的数据库的逻辑文件名和物理文件名示例：
