Table: Referral_Source
Columns
Name	Type	Constraints	Description
referral_source_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
description	nvarchar (250)	NOT NULL	User defined description (unique).
create_date_utc	datetime	NOT NULL
row_version	timestamp	NOT NULL

Primary key
Name	Columns		Description
PK_Referral_Source$referral_source_KEY	referral_source_KEY		CLUSTERED
Unique constraints
Name	Columns		Description
UK_Referral_Source$description	description		Each description must be unique.

Incoming foreign keys
Name	Columns	Referencing table	Description
FK_Client__Referral_Source__referred_by__referral_source_KEY	referred_by__referral_source_KEY	Client