Table: Link_Group
This table stores information about groups of links to external documents.
Columns
Name	Type	Constraints	Description
link_group_KEY	int	NOT NULL	Assigned by COMMON_dp_Allocate_Unique_Identifiers. Database assigned primary key for this table
table_information_KEY	int	NOT NULL	Defines the type of Practice information that this group aggregates links for
row_KEY	int	NOT NULL	The primary key to the Practice item that this group aggregates links for.
description	nvarchar (260)	NOT NULL	The user-configurable name of this group
sort	int	NOT NULL	The order in which this group will be displayed
update__staff_KEY	int	NOT NULL
create__changeset_KEY	int	NOT NULL
update__changeset_KEY	int	NOT NULL

Primary key
Name	Columns		Description
PK_Link_Group$link_group_KEY	link_group_KEY		CLUSTERED
Unique constraints
Name	Columns		Description
UK_Link_Group$row_KEY$table_information_KEY$description	row_KEY, table_information_KEY, description		Each description of a link group for a particular Practice item must be unique.
Indexes
Name	Columns		Description
IX_Link_Group$table_information_KEY	table_information_KEY		Index supports foreign key FK_Link_Group__Table_Information__table_information_KEY

Foreign keys
Name	Columns	Referenced table	Description
FK_Link_Group__Table_Information__table_information_KEY	table_information_KEY	Table_Information

Incoming foreign keys
Name	Columns	Referencing table	Description
FK_Link__Link_Group__link_group_KEY	link_group_KEY	Link