Table: Schedule_Item_Last_In_Series
Table that caches the last schedule item key for each series
Columns
Name	Type	Constraints	Description
schedule_item_series_KEY	int	NOT NULL	Primary key for this table.
schedule_item_KEY	int		Key of the last Schedule Item in the series.

Primary key
Name	Columns		Description
PK_Schedule_Item_Last_In_Series$schedule_item_series_KEY	schedule_item_series_KEY		CLUSTERED
Indexes
Name	Columns		Description
IX_Schedule_Item_Last_In_Series$schedule_item_KEY	schedule_item_KEY

Foreign keys
Name	Columns	Referenced table	Description
FK_Schedule_Item_Last_In_Series__Schedule_Item__schedule_item_KEY	schedule_item_KEY	Schedule_Item	on delete set null;
FK_Schedule_Item_Last_In_Series__Schedule_Item_Series__schedule_item_series_KEY	schedule_item_series_KEY	Schedule_Item_Series	on delete cascade;