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It is usually better to use relative path names instead of absolute path names when creating symbolic links to access regular files as Quick I/O files. Using relative path names prevents copies of the symbolic link from referring to the original file. This is important if you are backing up or moving database files with a command that preserves the symbolic link. However, some applications, such as SAP, require absolute path names.
If you create a symbolic link using a relative path name, both the symbolic link and the file are under the same parent directory. If you want to relocate the file, both the file and the symbolic link must be moved.
It is also possible to use the absolute path name when creating a symbolic link. If the database file is relocated to another directory, you must change the symbolic link to use the new absolute path. You can put all the symbolic links in a directory separate from the data directories. For example, you can create a directory named /database and put in all the symbolic links, with the symbolic links pointing to absolute path names.