Communication

Activity Feed Post Objects data set: columns, keys and joins

Primary key: PostId 11 columns

Checked against D2L on October 31, 2026

Back to the map

Columns

Column	Type	Size	Key
`OrgUnitId`	`int`	`4`	FK
`PostId`	`uniqueidentifier`	`16`	PK
`PostType`	`nvarchar`	`16`
`LastModifiedBy`	`int`	`4`	FK
`LastModified`	`datetime2`	`8`
`DropboxId`	`bigint`	`8`	FK
`Content`	`nvarchar`	`3072`
`IsDeleted`	`bit`	`1`
`CommentCount`	`int`	`4`
`AttachmentCount`	`int`	`4`
`Version`	`bigint`	`8`

Joins to (2)

Assignment SummaryDropboxId → DropboxId
Organizational UnitsOrgUnitId → OrgUnitId

Joined from (2)

Activity Feed Comment LogPostId → PostId
Activity Feed Comment ObjectsPostId → PostId

Edit history links

UsersLastModifiedBy → UserId

Source

Source: Activity Feed data sets on the D2L Brightspace Community