Table: Online_Invoice
Information about Invoices that have been sent to the online bill pay service.
Columns
Name	Type	Constraints	Description
ledger_entry_KEY	int	NOT NULL	Primary key for this row and the key of the associated Invoice.
online_invoice_guid	uniqueidentifier	NOT NULL	A unique value that is used to identify this invoice on the portal and in online payments.
update__staff_KEY	int	NOT NULL
update_date_utc	datetime	NOT NULL
create_date_utc	datetime	NOT NULL

Primary key
Name	Columns		Description
PK_Online_Invoice$ledger_entry_KEY	ledger_entry_KEY		CLUSTERED
Unique constraints
Name	Columns		Description
UK_Online_Invoice$online_invoice_guid	online_invoice_guid

Foreign keys
Name	Columns	Referenced table	Description
FK_Online_Invoice__Invoice__ledger_entry_KEY	ledger_entry_KEY	Invoice	on delete cascade;