Table: Staff_Level
Columns
Name | Type | Constraints | Description
staff_level_KEY | int | NOT NULL | AUTO-INCREMENT: Database assigned primary key for this table.
update__staff_KEY | int | NOT NULL |
update_date | datetime | NOT NULL |
staff_level_id | nvarchar (11) | NOT NULL | User defined identifier (unique).
description | nvarchar (30) | NOT NULL | User defined description.
create_date | datetime | NOT NULL |
staff_level_id_sortable | varchar (48) | NOT NULL | A representation of the staff_level_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 staff_level_id.

Primary key
Name | Columns | Description
PK_Staff_Level$staff_level_KEY | staff_level_KEY | CLUSTERED
Unique constraints
Name | Columns | Description
UK_Staff_Level__staff_level_id | staff_level_id | Each id must be unique.
UK_Staff_Level__staff_level_id_sortable | staff_level_id_sortable | An index by the sortable ID is desired, and the algorithm ends up producing unique values.

Incoming foreign keys
Name | Columns | Referencing table | Description
FK_Accruable_Benefit_Allowance_By_Staff_Level__Staff_Level__staff_level_KEY | staff_level_KEY | Accruable_Benefit_Allowance_By_Staff_Level |
FK_Staff__Staff_Level__staff_level_KEY | staff_level_KEY | Staff |