Table: Active_Filter
This table keeps track of filters used in CommonDropDownList controls.
Columns
Name	Type	Constraints	Description
active_filter_KEY	int	NOT NULL	AUTO-INCREMENT: Database assigned primary key for this table
update__staff_KEY	int	NOT NULL
update_date_utc	datetime	NOT NULL
staff_KEY	int	NOT NULL	Key to the Staff this filter is in use by.
filter_KEY	int	NOT NULL	Key to the Filter being used for this Staff and description.
description	nvarchar (250)	NOT NULL	Description of where this filter is being used.
create_date_utc	datetime	NOT NULL

Primary key
Name	Columns		Description
PK_Active_Filter$active_filter_KEY	active_filter_KEY		CLUSTERED
Unique constraints
Name	Columns		Description
UK_Active_Filter$staff_KEY$filter_KEY$description	staff_KEY, filter_KEY, description
Indexes
Name	Columns		Description
IX_Active_Filter$filter_KEY	filter_KEY		Index supports foreign key FK_Active_Filter__Filter__filter_KEY

Foreign keys
Name	Columns	Referenced table	Description
FK_Active_Filter__Filter__filter_KEY	filter_KEY	Filter	on delete cascade;
FK_Active_Filter__Staff__staff_KEY	staff_KEY	Staff	on delete cascade;