Table: Staff_Billing_Rate
Columns
Name	Type	Constraints	Description
staff_billing_rate_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
staff_rate_table_KEY	int	NOT NULL	Foreign key to the Staff Rate Table. There can be several Staff Billing Rates per Staff Rate Table
billing_rate_type_KEY	int	NOT NULL	Foreign key to one of the already set up Billing Rate Types (unique per staff_rate_table_KEY).
billable_rate	decimal (9, 2)	NOT NULL	The rate billed per hour for this Staff Billing Rate.
create_date_utc	datetime	NOT NULL

Primary key
Name	Columns		Description
PK_Staff_Billing_Rate$staff_billing_rate_KEY	staff_billing_rate_KEY		CLUSTERED
Unique constraints
Name	Columns		Description
UK_Staff_Billing_Rate$staff_rate_table_KEY$billing_rate_type_KEY	staff_rate_table_KEY, billing_rate_type_KEY
Indexes
Name	Columns		Description
IX_Staff_Billing_Rate$billing_rate_type_KEY	billing_rate_type_KEY		Index supports foreign key FK_Staff_Billing_Rate__Billing_Rate_Type__billing_rate_type_KEY
IX_Staff_Billing_Rate$staff_rate_table_KEY@@@	staff_rate_table_KEY, billable_rate, billing_rate_type_KEY, staff_billing_rate_KEY, update__staff_KEY, update_date_utc		An index that greatly speeds up importing conversion data.

Foreign keys
Name	Columns	Referenced table	Description
FK_Staff_Billing_Rate__Billing_Rate_Type__billing_rate_type_KEY	billing_rate_type_KEY	Billing_Rate_Type
FK_Staff_Billing_Rate__Staff_Rate_Table__staff_rate_table_KEY	staff_rate_table_KEY	Staff_Rate_Table	on delete cascade;

Incoming foreign keys
Name	Columns	Referencing table	Description
FK_Sheet_Entry__Staff_Billing_Rate__staff_billing_rate_KEY	staff_billing_rate_KEY	Sheet_Entry