Table: dbo.Office
Columns
Name | Type | Constraints | Description
office_KEY | int (4) | NOT NULL | Database assigned primary key for this table.
office_id | nvarchar (22) | NOT NULL | User defined identifier (unique).
description | nvarchar (60) | NOT NULL | User defined description.
contact_KEY | int (4) | NOT NULL | Key to the primary Contact record for this Client.
office_id_sortable | varchar (48) | NOT NULL | A representation of the office_id column that sorts in natural order, meaning that digits are sorted as numbers while non-digits are sorted alphabetically. A trigger keeps this field synchronized with the content of office_id.

Primary key
Name | Columns | Description
PK_Office | office_KEY |
Unique constraints
Name | Columns | Description
UK_Office$contact_KEY | contact_KEY |
UK_Office$office_id | office_id |
UK_Office$office_id_sortable | office_id_sortable |

Foreign keys
Name | Columns | Referenced table | Description
FK_Office__Contact__contact_KEY | contact_KEY | Contact (contact_KEY) |

Incoming foreign keys
Name | Columns | Referencing table | Description
FK_Staff__Office__office_KEY | office_KEY | Staff |
FK_Firm__Office__office_KEY | office_KEY | Firm |