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What is the to-many relationship between folders and subfolders?

藏色散人
Release: 2021-10-25 11:19:07
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There is a one-to-many relationship between folders and subfolders. A folder can contain multiple files; a folder can not only have files, but also many subfolders, and subfolders can also contain Then include multiple folders and files.

What is the to-many relationship between folders and subfolders?

The operating environment of this article: Windows 7 system, DELL G3 computer

What is the to-many relationship between folders and subfolders?

There is a one-to-many relationship between folders and subfolders.

Related introduction:

Disks are used to store folders, folders are used to store files, and files are for your own use.

There is an included and included relationship between disks, folders and files. There can be multiple folders or files on a disk. A folder can contain multiple files. A folder can not only have files, but also many subfolders, and subfolders can contain multiple folders and files.

It should be noted that although files can be saved directly on the disk, when there are too many files, it will be difficult for users to find, so it is best to use folders to classify and store them.

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