name is only one of the fields in the table.

persistentIdentifier text,
containingTransactionHint text,
context text,
creationOrdinal integer,
dateAdded timestamp NOT NULL,
dateModified timestamp NOT NULL,
folder text,
name text,
perspective text,
previewPNGData blob,
task text

The OmniFocus.ofocus package contains various zip files.
The name of the zip file containing the attachment is given by the field containingTransactionHint.

If the relevant file is unzipped, you will find that it contains a folder named data, containing subfolders with unique names. The persistentIdentifier fields gives the name of the subfolder containing the file specified in the record.

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