Table: Contact_Phone
Columns
Name	Type	Constraints	Description
contact_phone_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
contact_KEY	int	NOT NULL	Key to a Contact record.
contact_phone_type_KEY	int	NOT NULL	Key to a Contact Phone Type record.
phone	nvarchar (30)	NOT NULL	Phone number.
extension	nvarchar (5)	NOT NULL	Extension.
create_date_utc	datetime	NOT NULL
create__changeset_KEY	int	NOT NULL
update__changeset_KEY	int	NOT NULL

Primary key
Name	Columns		Description
PK_Contact_Phone$contact_phone_KEY	contact_phone_KEY		CLUSTERED
Unique constraints
Name	Columns		Description
UK_Contact_Phone$contact_KEY$contact_phone_type_KEY	contact_KEY, contact_phone_type_KEY		Each Contact can only have one of each type of phone number.
Indexes
Name	Columns		Description
IX_Contact_Phone$contact_phone_type_KEY	contact_phone_type_KEY		Index supports foreign key FK_Contact_Phone__Contact_Phone_Type__contact_phone_type_KEY

Foreign keys
Name	Columns	Referenced table	Description
FK_Contact_Phone__Contact__contact_KEY	contact_KEY	Contact