Communication

Discussion Topics data set: columns, keys and joins

Primary key: TopicId 28 columns

Checked against D2L on October 31, 2026

Columns

Column	Type	Size	Key
`OrgUnitId`	`int`	`4`	FK
`TopicId`	`bigint`	`8`	PK
`ForumId`	`bigint`	`8`	FK
`Name`	`nvarchar`	`1000`
`Description`	`nvarchar`	`1000`
`MustPostToParticipate`	`bit`	`1`
`AllowAnon`	`bit`	`1`
`IsHidden`	`bit`	`1`
`RequiresApproval`	`bit`	`1`
`LastPostDate`	`datetime2`	`8`
`LastPostUserId`	`bigint`	`8`
`NumViews`	`bigint`	`8`
`SortOrder`	`int`	`4`
`IsDeleted`	`bit`	`1`
`DeletedDate`	`datetime2`	`8`
`DeletedByUserId`	`int`	`4`	FK
`GradeItemId`	`int`	`4`	FK
`ScoreOutOf`	`float`	`53`
`ScoreCalculationMethod`	`varchar`	`19`
`IncludeNonScoredValues`	`bit`	`1`
`Version`	`bigint`	`8`
`ResultId`	`int`	`4`	FK
`StartDate`	`datetime2`	`8`
`StartDateAvailabilityType`	`smallint`	`2`
`EndDate`	`datetime2`	`8`
`EndDateAvailabilityType`	`smallint`	`2`
`AIUtilization`	`int`	`4`
`DueDate`	`datetime2`	`8`

GradeItemId: Marked as a foreign key by D2L, without a stated target data set.
ResultId: Marked as a foreign key by D2L, without a stated target data set.