trilium/docs/Developer Guide/Developer Guide/Old documentation/Development and architecture/Database/entity_changes.md

entity_changes

Column Name	Data Type	Nullity	Default value	Description
id	Integer	Non-null		A sequential numeric index of the entity change.
entityName	Text	Non-null		The type of entity being changed (attributes, branches, note_reordering, etc.)
entityId	Text	Non-null		The ID of the entity being changed.
hash	Text	Nullable (*)		TODO: Describe how the hash is calculated
isErased	Integer (1 or 0)	Nullable (*)		TODO: What does this do?
changeId	Text	Nullable (*)		TODO: What does this do?
componentId	Text	Nullable (*)		The ID of the UI component that caused this change. Examples: date-note, F-PoZMI0vc, NA (catch all)
instanceId	Text	Nullable (*)		The ID of the instance that created this change.
isSynced	Integer (1 or 0)	Non-null		TODO: What does this do?
utcDateChanged	Text	Non-null		Date of the entity change in UTC format (e.g. 2023-11-08 16:43:44.204Z)

Nullable (*) means all new values are non-null, old rows may contain null values.