trilium/docs/Developer Guide/Developer Guide/Development and architecture/Database/attachments.md

attachments

Column Name	Data Type	Nullity	Default value	Description
attachmentId	Text	Non-null		Unique ID (e.g. qhC1vzU4nwSE)
ownerId	Text	Non-null		The unique ID of a row in notes.
role	Text	Non-null		The role of the attachment: image for images that are attached to a note.
mime	Text	Non-null		The MIME type of the attachment (e.g. image/png)
title	Text	Non-null		The title of the attachment.
isProtected	Integer	Non-null	0	1 if the entity is protected, 0 otherwise.
position	Integer	Non-null	0	Not sure where the position is relevant for attachments (saw it with values of 10 and 0).
blobId	Text	Nullable	null	The corresponding blobId from the blobs table.
dateModified	Text	Non-null		Localized modification date (e.g. 2023-11-08 18:43:44.204+0200)
utcDateModified	Text	Non-null		Modification date in UTC format (e.g. 2023-11-08 16:43:44.204Z)
utcDateScheduledForErasure	Text	Nullable	null
isDeleted	Integer	Non-null		1 if the entity is deleted, 0 otherwise.
deleteId	Text	Nullable	null